In the context of social justice, which word best completes the following sentence: 'The government's failure to address the issue has only served to __________ the social divide'?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)exacerbate
💡 Explicación
This question tests advanced vocabulary (verbs of change and impact) suitable for C1+ level.
Ver respuesta
Respuesta correcta: A)exacerbate
A)exacerbateCorrect. 'Exacerbate' means to make a problem or bad situation worse, which fits perfectly here.
B)alleviateIncorrect. 'Alleviate' means to make something less severe, which is the opposite of what's needed.
C)mitigateIncorrect. 'Mitigate' means to make something less severe, which doesn't fit the negative consequence implied.
D)facilitateIncorrect. 'Facilitate' means to make an action or process easy or easier, which is not appropriate for a social divide.
💡 Explicación
This question tests advanced vocabulary (verbs of change and impact) suitable for C1+ level.
Pregunta 2
Pregunta 2 · D4Bloom: Remember
Discussing social justice in Cartagena.
In the context of social justice, which word best completes the following sentence: 'A consultation that invites comment for six months and then issues the original proposal unchanged __________ the appearance of participation'?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)hollows out
💡 Explicación
Policy writing at C1+ criticises participation by describing the procedure that was followed rather than the outcome, since the two often diverge. Here the final phrase names the quality at stake, and the verb has to describe that quality being emptied out rather than merely delayed.
Ver respuesta
Respuesta correcta: C)hollows out
A)builds up'Build up' means to strengthen, and the sentence describes a process that leaves the substance untouched. A six-month window with no revision adds time to the appearance without adding to the decision.
B)measures'Measure' means to assess the size of something, and the clause is about whether participation was real rather than about any quantity. What changed, if anything, is the status of the proposal.
C)hollows outTo hollow something out is to remove what gave it substance while leaving the outer shape intact, which is exactly what a consultation that changes nothing does. The clause names the democratic appearance that survives the procedure.
D)postpones'Postpone' means to move something to a later time, and the consultation period is already over by the time the proposal is issued. The delay has happened; what did not happen was any revision.
💡 Explicación
Policy writing at C1+ criticises participation by describing the procedure that was followed rather than the outcome, since the two often diverge. Here the final phrase names the quality at stake, and the verb has to describe that quality being emptied out rather than merely delayed.
Pregunta 3
Pregunta 3 · D4Bloom: Remember
Discussing social justice in Pereira.
In the context of social justice, which word best completes the following sentence: 'The housing programme was designed to __________ the residents of the informal settlements onto the waiting list, but by its third year not one family had been moved'?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)relegate
💡 Explicación
'Relegate', 'elevate' and 'delegate' form a family that C1+ students confuse. Relegating confines someone to a lower position, elevating raises them, and delegating assigns a task; only the first describes families parked on a list that never moves.
Ver respuesta
Respuesta correcta: A)relegate
A)relegate'To relegate people to something is to confine them to a lesser position, usually by force or decision of others. Being put on a waiting list that never moves keeps families exactly there, which is the outcome the sentence reports.
B)elevate'To elevate' is to raise someone to a higher rank, the opposite of what the programme achieved. The families were not lifted out of the settlements; the sentence says none of them was ever moved.
C)delegate'To delegate' is to hand a task or authority to someone else. No task is being handed over here, and a waiting list is not an assignment of responsibility, so the verb does not describe what happened.
D)compensate'To compensate' is to make up for a loss, typically with money. The sentence describes where families were placed, not what they were paid, and nothing in it suggests any payment was offered.
💡 Explicación
'Relegate', 'elevate' and 'delegate' form a family that C1+ students confuse. Relegating confines someone to a lower position, elevating raises them, and delegating assigns a task; only the first describes families parked on a list that never moves.
Pregunta 4
Pregunta 4 · D4Bloom: Remember
Discussing social justice in Cali.
In the context of social justice, which word best completes the following sentence: 'A minimum wage rise negotiated without the participation of the informal sector left those workers __________ the gains everyone else received'?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)outside
💡 Explicación
Prepositions at C1+ are often separated by what follows them rather than by the words themselves, and this item asks the student to read the noun phrase that comes after each candidate. The relative clause about the informal sector tells the student which kind of relation the sentence needs.
Ver respuesta
Respuesta correcta: B)outside
A)despite'Despite' is a preposition but it is followed by a noun phrase naming a contrast, not the noun that the sentence needs here. Nothing in the sentence states what the workers achieved against an obstacle.
B)outside'Outside' is the preposition that takes a noun phrase naming who does not benefit, and the clause names the gains in question. The relative clause about who was not at the table supplies exactly the group being excluded.
C)among'Among' places someone inside a group, which is the opposite of what the sentence describes. The workers were precisely not among those who gained, since they were not consulted on the level.
D)beyond'Beyond' introduces a limit or a point further than something, and the sentence is about membership in a group that benefits rather than about exceeding a threshold. Nothing here concerns a boundary being crossed.
💡 Explicación
Prepositions at C1+ are often separated by what follows them rather than by the words themselves, and this item asks the student to read the noun phrase that comes after each candidate. The relative clause about the informal sector tells the student which kind of relation the sentence needs.
Pregunta 5
Pregunta 5 · D6Bloom: Apply
A youth-run community library in Soacha, Cundinamarca.
Read the text and answer the question.
"In 2024 a group of young people in Soacha opened a small library inside a shipping container next to the local football field. They collected 1,200 books from donations and asked some mothers from the neighbourhood to run reading clubs for children. At first only a few families came, but after the group started lending school textbooks free of charge, the container was full every afternoon. 'Many kids here cannot pay for the books the schools ask for,' explains Camila Rojas, one of the founders. 'We wanted to make sure that a family's income does not decide who can do their homework.'"
What is the main purpose of the library, according to the text?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)To give children equal access to the study materials they need.
💡 Explicación
Main-idea questions ask why the text was written, not what details it mentions. The founder's quotation at the end states the goal directly: income should not decide which children can study, which is why free lending matters more than the football field or the reading clubs.
Ver respuesta
Respuesta correcta: C)To give children equal access to the study materials they need.
A)To train the neighbourhood mothers as professional librarians.Incorrect. The mothers run reading clubs, but the text never mentions training them for a profession; that is a detail of how the library works, not its purpose.
B)To raise money to improve the local football field.Incorrect. The football field is only mentioned to say where the container is located; nothing in the text connects the library with collecting money.
C)To give children equal access to the study materials they need.Correct. Camila says the aim is that "a family's income does not decide who can do their homework", and the library became popular when it lent textbooks free, so its purpose is equal access to materials.
D)To sell second-hand books to families at low prices.Incorrect. The text says the textbooks are lent "free of charge", which means nothing is sold, so this option contradicts a key detail.
💡 Explicación
Main-idea questions ask why the text was written, not what details it mentions. The founder's quotation at the end states the goal directly: income should not decide which children can study, which is why free lending matters more than the football field or the reading clubs.
Pregunta 6
Pregunta 6 · D6Bloom: Apply
Water access and girls' schooling in Uribia, La Guajira.
Read the text and answer the question.
"In parts of La Guajira, Wayuu women and girls used to walk up to three hours a day to bring water home. When a solar-powered pump was installed near a community in Uribia in 2023, the walk was reduced to fifteen minutes. The local teacher noticed something unexpected that same year: the number of girls who finished primary school rose from eleven to twenty-six. The pump was paid for by the departmental government, but the community chose where to put it and trained two young women to repair it."
What can be inferred from the text?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)Collecting water had been keeping many girls away from their studies.
💡 Explicación
An inference is a conclusion the text supports but does not state. Here the writer places the shorter walk and the rise from eleven to twenty-six graduates side by side, so the reader connects them; options that add new facts, such as who installed the pump, are not supported.
Ver respuesta
Respuesta correcta: A)Collecting water had been keeping many girls away from their studies.
A)Collecting water had been keeping many girls away from their studies.Correct. The text links two facts: the long walk for water was done by women and girls, and when the walk became short, many more girls finished school. The reader can infer that the walk had been taking time away from school.
B)The teacher installed the pump to improve school attendance.Incorrect. The text says the departmental government paid for the pump and the community chose its location; the teacher only noticed the change in the school results.
C)The pump stopped working after the first year because nobody could repair it.Incorrect. The text says the opposite: two young women were trained to repair it, and nothing suggests that the pump broke.
D)Boys in the community had to walk even longer distances than girls.Incorrect. The text mentions only "women and girls" walking for water, so there is no information to compare their walk with that of boys.
💡 Explicación
An inference is a conclusion the text supports but does not state. Here the writer places the shorter walk and the rise from eleven to twenty-six graduates side by side, so the reader connects them; options that add new facts, such as who installed the pump, are not supported.
Pregunta 7
Pregunta 7 · D6Bloom: Apply
Discussing social justice in Manizales.
A report on social justice in Manizales describes a scholarship scheme that was 'means-tested twice a year, which meant that a family whose income rose by a few pesos could lose the benefit mid-year'. What is the criticism implied?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)Frequent reassessment can withdraw support exactly when a household begins to improve.
💡 Explicación
At C1+ a non-defining relative clause can carry the argument of a sentence rather than mere description. Here 'which meant' introduces the consequence the writer wants the reader to notice, and the student must read it as a critique of the design rather than as extra information about the reviews.
Ver respuesta
Respuesta correcta: A)Frequent reassessment can withdraw support exactly when a household begins to improve.
A)Frequent reassessment can withdraw support exactly when a household begins to improve.'Which meant' links the review schedule to the consequence: income goes up, the benefit goes away. The criticism is that a mechanism meant to target need punishes the very movement it was supposed to encourage, and the relative pronoun is what carries that causal link.
B)Twice-yearly reviews are cheaper than annual ones for the administering agency.The sentence says nothing about the cost of administering the scheme. What it describes is what happens to families when their income changes, which is a question of effect on recipients rather than of expense to the agency.
C)The scheme failed to reach any families in the rural parts of the department.No geography is mentioned in relation to who benefited. The sentence discusses the effect of the review frequency on individual households, and the issue raised is the loss of support, not exclusion by location.
D)The income figures used in the assessment were difficult for families to verify.The sentence concerns the timing of the reassessment, not the accuracy or transparency of the data. 'Which meant' points to what the twice-yearly cycle caused, and that consequence is the withdrawal of a benefit.
💡 Explicación
At C1+ a non-defining relative clause can carry the argument of a sentence rather than mere description. Here 'which meant' introduces the consequence the writer wants the reader to notice, and the student must read it as a critique of the design rather than as extra information about the reviews.
Pregunta 8
Pregunta 8 · D6Bloom: Apply
Discussing social justice in Manizales.
A report on social justice in Manizales quotes a community leader: 'The buses that were promised to the corregimientos never arrived, and the people who live furthest are precisely the ones who cannot afford to lose a morning waiting'. What does this contrast show?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)The same absence of service costs the worst-off the most, because their alternatives are least available.
💡 Explicación
C1+ argument reading means noticing how a relative clause does work inside a claim. Here 'who cannot afford to lose a morning waiting' is not description: it is the reason the absence lands unevenly, and the student must connect that reason to the report's larger point about unequal cost.
Ver respuesta
Respuesta correcta: A)The same absence of service costs the worst-off the most, because their alternatives are least available.
A)The same absence of service costs the worst-off the most, because their alternatives are least available.The first clause gives the failure, the second names who absorbs it: those who live furthest and cannot afford lost time. A single missing service does not cost everyone equally, and the relative clause 'who cannot afford to lose a morning' is what makes the burden fall on the poorest.
B)The residents of the corregimientos are less organised than the residents of the city.Nothing in the quotation compares levels of organisation between two populations. It compares what a lost morning costs in each case, which is an economic difference rather than a difference in civic capacity.
C)The buses were diverted to the city because of a transport regulation.No cause is given for the missing buses. The sentence simply records that they never arrived, and then turns to the consequences for the people who live furthest, which is where the argument of the report lies.
D)Rural residents travel mainly for leisure rather than for work or school.The quotation says nothing about the purpose of the journeys. What it measures is the time cost of waiting, and that the worst-affected cannot absorb it, which suggests necessity rather than leisure.
💡 Explicación
C1+ argument reading means noticing how a relative clause does work inside a claim. Here 'who cannot afford to lose a morning waiting' is not description: it is the reason the absence lands unevenly, and the student must connect that reason to the report's larger point about unequal cost.
Pregunta 9
Pregunta 9 · D6Bloom: Apply
Free legal advice offered by law students in Comuna 13, Medellín.
Read the text and answer the question.
"Every Saturday morning, law students from a university in Medellín offer free legal advice in the community hall of Comuna 13. Most of the people who come need help with three problems: unpaid wages, rental contracts and the registration of victims of the armed conflict. The students cannot represent anyone in court, but they explain documents, help people fill in forms and send difficult cases to a professor. Last year they helped 640 people, and almost half of them were women who worked as domestic employees."
According to the text, what are the students NOT allowed to do?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)Defend people as their lawyers in court.
💡 Explicación
Detail questions with NOT require checking each option against the text. Three options repeat activities the text lists as part of the students' work; only representing people in court is explicitly excluded with the word "cannot".
Ver respuesta
Respuesta correcta: B)Defend people as their lawyers in court.
A)Explain legal documents to the people who visit them.Incorrect. Explaining documents is one of the services listed in the text ("they explain documents"), so it is something the students do every Saturday.
B)Defend people as their lawyers in court.Correct. The text says directly that "the students cannot represent anyone in court", so this is the only action they are not allowed to do.
C)Help people complete official forms.Incorrect. The text says the students "help people fill in forms", which means this is part of their work, not something they are forbidden to do.
D)Pass complicated cases to a university professor.Incorrect. Sending difficult cases to a professor is exactly what the students do when a problem is too complex, according to the text.
💡 Explicación
Detail questions with NOT require checking each option against the text. Three options repeat activities the text lists as part of the students' work; only representing people in court is explicitly excluded with the word "cannot".
Pregunta 10
Pregunta 10 · D6Bloom: Apply
Accessibility for wheelchair users on public transport in Bogotá.
Read the text and answer the question.
"When Julián Pérez started using a wheelchair after an accident, he discovered that his daily trip to work in Bogotá had become an obstacle course. Some stations had ramps, but the lifts were often out of service, and drivers did not always stop close enough to the platform. Julián began recording these problems with his phone and posting the videos online. They were shared thousands of times, and in 2025 the city agreed to review every station. 'I am not asking for a favour,' he says. 'Getting to work is a right, and the city has to guarantee it for everyone.'"
In the text, the expression "an obstacle course" suggests that Julián's trip...
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)was full of difficulties that he had to get past.
💡 Explicación
Vocabulary-in-context items ask the reader to use the surrounding sentences, not the dictionary meaning. The list of problems right after "an obstacle course" shows the writer means a trip full of barriers, which also explains why Julián recorded them and demanded a change.
Ver respuesta
Respuesta correcta: C)was full of difficulties that he had to get past.
A)had turned into a sports competition with other passengers.Incorrect. This is the literal meaning of the expression; the text uses it figuratively and never mentions any competition or race.
B)was shorter than before because of the new ramps.Incorrect. The text does not say the trip became shorter; it describes new problems that made the trip harder after the accident.
C)was full of difficulties that he had to get past.Correct. The sentences that follow list the problems: broken lifts and buses that stop far from the platform. An obstacle course is a route full of barriers, so the expression describes a trip full of difficulties.
D)had become exciting and enjoyable for him.Incorrect. The rest of the text is a complaint about broken lifts and careless drivers, and Julián says he is demanding a right, so nothing suggests he enjoys the trip.
💡 Explicación
Vocabulary-in-context items ask the reader to use the surrounding sentences, not the dictionary meaning. The list of problems right after "an obstacle course" shows the writer means a trip full of barriers, which also explains why Julián recorded them and demanded a change.
Pregunta 11
Pregunta 11 · D8Bloom: Analyze
A disciplinary committee in Barranquilla that lacked local experience.
Complete the following sentence about social justice: 'The committee, __________ had served in the affected municipalities, was barred from hearing the case.'
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)none of whose members
💡 Explicación
To show that the members belong to the committee inside a relative clause, English uses "whose" after a quantifier: "none of whose", "all of whose", "some of whose". The clause then needs its own verb, which the sentence already supplies with "had served".
Ver respuesta
Respuesta correcta: D)none of whose members
A)none of its membersIncorrect. "None of its members had served" is an independent clause, not a relative one; placing it between commas inside another sentence creates a run-on, because nothing connects it to "the committee".
B)none of which membersIncorrect. "Which" cannot be followed directly by a noun to show possession in this position; the possessive relative form needed before "members" is "whose".
C)whose none of membersIncorrect. The word order is wrong: the quantifier "none of" must come before "whose", as in "none of whose members"; "whose none of" does not exist in English.
D)none of whose membersCorrect. "None of whose members had served..." is a non-defining relative clause: "whose" links the members to "the committee" and "had served" is the verb of the clause, so the whole sentence is grammatical.
💡 Explicación
To show that the members belong to the committee inside a relative clause, English uses "whose" after a quantifier: "none of whose", "all of whose", "some of whose". The clause then needs its own verb, which the sentence already supplies with "had served".
Pregunta 12
Pregunta 12 · D8Bloom: Analyze
Discussing social justice in Pereira.
Complete the following sentence about social justice: 'The rulings of the tribunal, __________ every appeal took more than three years, were published only in summary.' (Topic: relative clause with a quantifier as its subject)
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)since
💡 Explicación
A non-defining relative clause can be introduced by a subordinator as well as by a pronoun, and the quantifier subject 'every appeal' is what forces that choice here. At C1+ students should check whether the clause already has its own subject and verb, since a pronoun plus subject would produce two subjects at once.
Ver respuesta
Respuesta correcta: D)since
A)when'When every appeal took more than three years' would make the duration a single moment rather than a span, and the clause would read as though all appeals resolved at once. The distribution clause about the delay is what matters here.
B)where'Where' refers to a place, and the relative clause is about the time an appeal took rather than about a location. No site is referred to anywhere in the sentence.
C)which'Which every appeal took' would require 'which' to stand for a duration that appeals took, but the noun phrase immediately after the comma is a full clause with its own subject. The pronoun would have nothing to refer to in that position.
D)sinceA relative clause after a comma with a quantifier subject needs a subordinator, since 'every appeal' has no relative pronoun linking it to 'the rulings'. 'Since every appeal took more than three years' supplies that link and reads as a non-defining clause.
💡 Explicación
A non-defining relative clause can be introduced by a subordinator as well as by a pronoun, and the quantifier subject 'every appeal' is what forces that choice here. At C1+ students should check whether the clause already has its own subject and verb, since a pronoun plus subject would produce two subjects at once.
Pregunta 13
Pregunta 13 · D8Bloom: Analyze
Discussing social justice in Cali.
Complete the following sentence about social justice: 'The settlement that the families accepted in 1994, __________ they still describe as the only document that mentions their names, was never registered publicly.' (Topic: a non-defining relative clause introduced by a pronoun whose antecedent is a clause)
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)which
💡 Explicación
The antecedent of a relative pronoun decides its form, and a whole clause takes 'which' rather than 'who' or 'what'. At C1+ students should locate the antecedent before choosing, since the two commas rule out 'that' independently of the pronoun's gender or animacy.
Ver respuesta
Respuesta correcta: A)which
A)which'Which' is the pronoun used when a non-defining relative clause refers back to a whole clause rather than to a single noun. The comma on both sides marks the clause as additional, and 'the settlement that the families accepted' is the antecedent.
B)who'Who' refers to people, and the antecedent here is a settlement, not a person. The clause that follows does name the families, but they are the object of the preposition rather than the antecedent of the pronoun.
C)what'What' introduces a clause acting as a subject or object rather than referring back to an antecedent. Using it after a comma would leave the whole sentence without a subject for the main verb 'was'.
D)that'That' can introduce defining relative clauses but not non-defining ones in this style of written English, and the defining clause has already been used on 'the families accepted'. A pair of commas also rules it out.
💡 Explicación
The antecedent of a relative pronoun decides its form, and a whole clause takes 'which' rather than 'who' or 'what'. At C1+ students should locate the antecedent before choosing, since the two commas rule out 'that' independently of the pronoun's gender or animacy.
Pregunta 14
Pregunta 14 · D8Bloom: Analyze
Discussing social justice in Bogotá.
Complete the following sentence about social justice: 'The auditor, __________ the ministry later confirmed, had already flagged the same discrepancy in an earlier report.' (Topic: a non-defining relative clause closed by a reporting verb as its predicate)
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)as
💡 Explicación
A relative clause introduced by 'as' can describe the way something was received rather than identify who or what is meant, which is what this item tests. At C1+ students should look at the verb inside the clause, since 'confirmed' takes an object and that shapes which opener can be used.
Ver respuesta
Respuesta correcta: B)as
A)which'Which the ministry later confirmed' would need a noun phrase to stand for, since 'confirmed' requires an object. No such object appears before the comma closing the clause, so the structure would not be grammatical.
B)as'As' introduces a non-defining relative clause meaning 'in the way that', and here the way the ministry reacted is what the clause reports. The commas on both sides and the passive 'was confirmed' inside the clause both rule out a defining reading.
C)what'What the ministry later confirmed' introduces a clause acting as an object, and the main clause already has its own verb and subject. Adding 'what' here would leave the sentence with no predicate for the auditor.
D)than'Than' introduces a comparison and requires a comparable element after it. The clause 'the ministry later confirmed' names a reaction rather than an alternative, so no comparison can be drawn.
💡 Explicación
A relative clause introduced by 'as' can describe the way something was received rather than identify who or what is meant, which is what this item tests. At C1+ students should look at the verb inside the clause, since 'confirmed' takes an object and that shapes which opener can be used.
Pregunta 15
Pregunta 15 · D8Bloom: Analyze
A land restitution process completed in Medellín.
Complete the following sentence about social justice: 'The land titles __________ been verified by the notary, the family was finally allowed to return to the farm.' (Topic: absolute construction with a perfect participle)
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)having
💡 Explicación
An absolute construction (noun phrase + participle) adds background information without a conjunction. With a passive perfect meaning, the form is "having been + past participle"; any finite form (had, have, were) turns the phrase into a second clause that needs a connector.
Ver respuesta
Respuesta correcta: A)having
A)havingCorrect. "The land titles having been verified by the notary" is an absolute construction: it has its own subject ("the land titles") and a participle instead of a finite verb, so it can sit before the main clause "the family was finally allowed...".
B)hadIncorrect. "The land titles had been verified" is a complete clause; joining it to "the family was finally allowed" with only a comma produces a comma splice, so a conjunction such as "after" would be required.
C)wereIncorrect. "Were been verified" is impossible because "were" cannot be followed by "been"; the passive past would be "were verified", which does not fit the words already in the sentence.
D)haveIncorrect. "Have been verified" is a finite present perfect, so it creates a comma splice with the main clause, and its present time also clashes with the past "was allowed".
💡 Explicación
An absolute construction (noun phrase + participle) adds background information without a conjunction. With a passive perfect meaning, the form is "having been + past participle"; any finite form (had, have, were) turns the phrase into a second clause that needs a connector.
Pregunta 16
Pregunta 16 · D8Bloom: Analyze
Discussing social justice in Medellín.
Complete the following sentence about social justice: 'No sooner __________ the mediation clause appeared in the reform than unions and employers were submitting cases to it from every sector.' (Topic: inversion with 'no sooner...than')
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)had
💡 Explicación
'No sooner...than' is a fixed pair that behaves like 'hardly...when' and 'scarcely...when'. C1+ students should recognise the two halves as one unit: the first half is inverted and ends in the past perfect, while the second half keeps the ordinary word order.
Ver respuesta
Respuesta correcta: D)had
A)hasA present perfect would mean the clause has not appeared yet, which cannot be right: the second half of the sentence says cases were already being submitted, so the first half must be complete.
B)did'Did' belongs to the past simple, which describes a single completed action without the sense of an event reached at a precise moment. 'No sooner...than' is about the timing of an event, and that is what the perfect expresses.
C)was'Was' would form a passive or a copula, but the clause itself is what appeared, so no passive is involved. The inversion needs the perfect auxiliary 'had' in front of the subject to make the structure work.
D)had'No sooner' is a negative fronted structure that triggers inversion of the past perfect: 'no sooner had the clause appeared'. The two events are moments, not completed processes, so the perfect is what expresses the second one arriving on the heels of the first.
💡 Explicación
'No sooner...than' is a fixed pair that behaves like 'hardly...when' and 'scarcely...when'. C1+ students should recognise the two halves as one unit: the first half is inverted and ends in the past perfect, while the second half keeps the ordinary word order.
Pregunta 17
Pregunta 17 · D10Bloom: Evaluate
A student debate about a housing subsidy in Bogotá.
During a debate about a housing subsidy that is not reaching poor families, Daniela says: 'I can't help but feel that we are barking up the wrong tree. The problem is not the amount of money; it's the paperwork families have to complete.' What does Daniela mean?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)The group is focusing on the wrong cause of the problem.
💡 Explicación
Idioms are understood through their figurative meaning and the context. Daniela's second sentence names the real cause of the problem, which confirms that the idiom "bark up the wrong tree" means the group was blaming the wrong thing.
Ver respuesta
Respuesta correcta: A)The group is focusing on the wrong cause of the problem.
A)The group is focusing on the wrong cause of the problem.Correct. "Barking up the wrong tree" means looking for a solution or explanation in the wrong place; Daniela then says the real problem is the paperwork, not the money.
B)They are literally looking for something in the trees of the city.Incorrect. This reads the idiom literally; the debate is about a housing subsidy, and no trees are involved.
C)The debate has become too noisy and aggressive.Incorrect. "Barking" here does not refer to noise or attitude; the idiom is about choosing the wrong target, as her second sentence shows.
D)The subsidy should be used to plant trees in poor neighbourhoods.Incorrect. This misreads the image of the tree as a real proposal; Daniela proposes looking at the paperwork, not at an environmental project.
💡 Explicación
Idioms are understood through their figurative meaning and the context. Daniela's second sentence names the real cause of the problem, which confirms that the idiom "bark up the wrong tree" means the group was blaming the wrong thing.
Pregunta 18
Pregunta 18 · D10Bloom: Evaluate
Two classmates in Bogotá discuss a rise in bus fares.
Read the conversation.
Ana: The new bus fares are hitting the families in Ciudad Bolívar harder than anyone else. Luis: Then we can't just complain in the group chat. We need to speak up at the council meeting on Thursday.
What does Luis suggest?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)Expressing their opinion publicly where decisions are made.
💡 Explicación
Many phrasal verbs have more than one meaning, and the conversation decides which one applies. Luis contrasts a private complaint with a public meeting, so "speak up" here means to express an opinion openly in defence of others, not to raise the voice.
Ver respuesta
Respuesta correcta: C)Expressing their opinion publicly where decisions are made.
A)Speaking more loudly so that Ana can hear him.Incorrect. "Speak up" can mean "talk louder", but in this context Luis is contrasting a private chat with a public meeting, so the meaning is to give an opinion openly.
B)Staying quiet until the fares go down again.Incorrect. This is the opposite of "speak up"; Luis says they "can't just complain", which shows he wants more action, not silence.
C)Expressing their opinion publicly where decisions are made.Correct. "Speak up" means to say what you think openly, especially to defend something; Luis contrasts it with complaining privately in a chat and names the council meeting as the place to do it.
D)Writing more messages in the class group chat.Incorrect. Luis rejects this option directly with "we can't just complain in the group chat", so it is the thing he does not want to do.
💡 Explicación
Many phrasal verbs have more than one meaning, and the conversation decides which one applies. Luis contrasts a private complaint with a public meeting, so "speak up" here means to express an opinion openly in defence of others, not to raise the voice.
Pregunta 19
Pregunta 19 · D10Bloom: Evaluate
A social worker in Cali talks about registering displaced families.
Read the conversation.
Reporter: Is the new registration system working for displaced families? Social worker: For most of them, yes. But families who arrive without identity documents often fall through the cracks, and nobody contacts them for months.
What does the social worker mean?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)Some families are missed by the system and receive no help.
💡 Explicación
"Fall through the cracks" is a common idiom in news about public services. Its meaning is clear from the context: the families exist and need help, but the system does not see them, which is why "nobody contacts them for months".
Ver respuesta
Respuesta correcta: D)Some families are missed by the system and receive no help.
A)Some families have accidents in old and damaged buildings.Incorrect. This is a literal reading of "cracks"; the conversation is about a registration system, not about the condition of buildings.
B)Families without documents receive help faster than others.Incorrect. The speaker says the opposite: these families wait months without contact, so they are disadvantaged, not favoured.
C)Most displaced families refuse to join the registration system.Incorrect. The speaker says the system works "for most of them", and the problem she describes is that the system misses some families, not that families refuse it.
D)Some families are missed by the system and receive no help.Correct. "Fall through the cracks" means to be forgotten or not noticed by a system that should help you; she adds that nobody contacts these families for months.
💡 Explicación
"Fall through the cracks" is a common idiom in news about public services. Its meaning is clear from the context: the families exist and need help, but the system does not see them, which is why "nobody contacts them for months".
Pregunta 20
Pregunta 20 · D10Bloom: Evaluate
A school debate in Medellín about university entrance support.
Read the conversation.
Sofía: Students from rural schools get the same exam as everyone else, so the system is already fair. Tomás: I see your point, but they don't get the same teachers or internet. Free preparation courses would help level the playing field.
What does Tomás want the preparation courses to do?
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)Give rural students a fairer chance to compete with others.
💡 Explicación
This item combines an idiom with a pragmatic signal. "I see your point, but" introduces polite disagreement, and "level the playing field" names the goal of equal opportunity, so the courses are meant to compensate for unequal conditions, not to change the exam.
Ver respuesta
Respuesta correcta: A)Give rural students a fairer chance to compete with others.
A)Give rural students a fairer chance to compete with others.Correct. "Level the playing field" means to create conditions in which everyone has the same opportunity; Tomás says rural students lack teachers and internet, so the courses would reduce that disadvantage.
B)Build new sports facilities in rural schools.Incorrect. This is a literal reading of "playing field"; Tomás is talking about exam preparation, teachers and internet, not about sport.
C)Make the entrance exam easier for every student.Incorrect. Tomás does not ask to change the exam; he wants to change the preparation that rural students receive before taking it.
D)Show that Sofía is completely right about the system.Incorrect. "I see your point, but..." is a polite way of disagreeing; Tomás accepts part of her idea and then argues that the system is not fair yet.
💡 Explicación
This item combines an idiom with a pragmatic signal. "I see your point, but" introduces polite disagreement, and "level the playing field" names the goal of equal opportunity, so the courses are meant to compensate for unequal conditions, not to change the exam.
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