My sister and I have the same score in the school mathematics test.
My sister ___ the same score as me in the mathematics test.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)got
💡 Explicación
Equality between two subjects uses the pattern as plus adjective plus as. The verb is not altered in any way, so the whole question is decided by recognising that the construction itself already carries the idea of sameness.
Ver respuesta
Respuesta correcta: C)got
A)has gotNo. 'has got' is the present perfect and would place the test in an open period, while the sentence refers to a completed test.
B)was gettingNo. 'was getting' is the past continuous and describes an activity in progress, not the result of finishing a test.
C)gotCorrect! 'as ... as' expresses equality between two subjects, and the finite verb is simply the past form 'got' with no comparative ending.
D)gets more thanNo. 'more than' states a difference between the two scores, which is the opposite of the equality the sentence claims.
💡 Explicación
Equality between two subjects uses the pattern as plus adjective plus as. The verb is not altered in any way, so the whole question is decided by recognising that the construction itself already carries the idea of sameness.
Pregunta 2
Pregunta 2 · D3Bloom: Apply
The blue mountain in this range is the highest peak of the four.
The blue mountain is ___ peak of the four.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)the highest
💡 Explicación
When a comparison involves three or more items, English requires the superlative, which for a short adjective means the ending 'est' preceded by 'the'. Mixing comparative and superlative elements in one word is always ungrammatical.
Ver respuesta
Respuesta correcta: B)the highest
A)the higherNo. 'the higher' compares two things and would need a second comparative, such as 'higher than', because there are more than two mountains here.
B)the highestCorrect! Superlatives take 'the' and the ending 'est', and 'the highest' is the only form that fits a comparison among more than two peaks.
C)the most highNo. Short adjectives never use 'most' to form the superlative; 'most high' is not grammatical in standard English.
D)the more highestNo. 'more' and the superlative ending cannot be combined on one adjective, so the phrase has no correct meaning.
💡 Explicación
When a comparison involves three or more items, English requires the superlative, which for a short adjective means the ending 'est' preceded by 'the'. Mixing comparative and superlative elements in one word is always ungrammatical.
Pregunta 3
Pregunta 3 · D3Bloom: Understand
This essay is better than the one I wrote last term.
This essay is ___ than the one I wrote last term.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)better
💡 Explicación
Irregular comparatives such as good to better and bad to worse must be memorised, because they are not built by adding 'er'. The pattern is still the ordinary one: comparative form plus 'than' plus the element being compared.
Ver respuesta
Respuesta correcta: A)better
A)betterCorrect! The comparative of 'good' is irregular, changing completely to 'better', and it is followed by 'than' to name the second item of the comparison.
B)more goodNo. 'Good' is a short adjective that already has its own comparative form 'better', so adding 'more' produces an incorrect double form.
C)the most goodNo. 'the most' introduces a superlative and cannot be used in a comparison of only two items like this one.
D)as goodNo. 'as good as' expresses equality, while 'better than' states that one item is superior, which is what the sentence claims.
💡 Explicación
Irregular comparatives such as good to better and bad to worse must be memorised, because they are not built by adding 'er'. The pattern is still the ordinary one: comparative form plus 'than' plus the element being compared.
Pregunta 4
Pregunta 4 · D4Bloom: Analyze
The coastal climate is as pleasant as the climate of the highlands.
The coastal climate is as ___ as the climate of the highlands.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)pleasant
💡 Explicación
In the as plus adjective plus as construction the adjective never changes its form. Both halves of the comparison carry the same particle, and the base form between them is what makes the two things read as equal in that quality.
Ver respuesta
Respuesta correcta: A)pleasant
A)pleasantCorrect! With 'as' on both sides the adjective keeps its base form, because the equality is already expressed by the two 'as' particles themselves.
B)more pleasantNo. 'more pleasant' starts a comparison with 'than', but the sentence uses the double 'as' structure that expresses equality.
C)most pleasantNo. 'the most pleasant' is a superlative and needs a third item to be compared against; here only two climates are mentioned.
D)the pleasantestNo. English does not form superlatives with 'est' from adjectives already ending in 'e' preceded by a consonant, and this word is not the superlative anyway.
💡 Explicación
In the as plus adjective plus as construction the adjective never changes its form. Both halves of the comparison carry the same particle, and the base form between them is what makes the two things read as equal in that quality.
Pregunta 5
Pregunta 5 · D3Bloom: Apply
The new road is wider than the old one in the valley.
The new road is ___ than the old one in the valley.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)wider
💡 Explicación
Single-syllable adjectives build their comparatives with 'er' unless they are irregular like good or bad. Longer adjectives of two syllables or more usually take 'more', and the choice between the two systems is made by syllable count.
Ver respuesta
Respuesta correcta: D)wider
A)more wideNo. 'More' is only used with adjectives of two or more syllables, and 'wide' is a single syllable that already ends in 'e'.
B)most wideNo. 'most wide' would be a superlative, and a superlative is not used in a comparison between only two roads.
C)as wideNo. 'as wide as' expresses equality between the two roads, while the sentence states that the new road is greater.
D)widerCorrect! 'Wide' is a short adjective that takes the ending 'er' for its comparative, so 'wider' is the correct form before 'than'.
💡 Explicación
Single-syllable adjectives build their comparatives with 'er' unless they are irregular like good or bad. Longer adjectives of two syllables or more usually take 'more', and the choice between the two systems is made by syllable count.
Pregunta 6
Pregunta 6 · D4Bloom: Analyze
His explanation was the clearest of all the presentations of that week.
His explanation was the ___ of all the presentations.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)clearest
💡 Explicación
The superlative of a short adjective is formed with the ending 'est', and it is normally preceded by 'the'. When the group being compared is explicitly named, the pattern of the than comparative is not available at all.
Ver respuesta
Respuesta correcta: B)clearest
A)more clearNo. 'more clear' is not the comparative of this adjective, and in any case a comparison of many presentations requires a superlative.
B)clearestCorrect! The superlative of 'clear' adds 'est' to the base form, and 'the' plus this form identifies it as the best of the group.
C)most clearerNo. Combining 'most' with a comparative ending produces a word that exists in English and means nothing.
D)clearerNo. 'clearer' is a comparative and needs 'than', so it cannot be used to name the best item among all the presentations.
💡 Explicación
The superlative of a short adjective is formed with the ending 'est', and it is normally preceded by 'the'. When the group being compared is explicitly named, the pattern of the than comparative is not available at all.
Pregunta 7
Pregunta 7 · D4Bloom: Evaluate
This route is not as long as the coastal one.
This route is not as ___ as the coastal one.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)long
💡 Explicación
Negation does not change the internal form of the adjective in an equality comparison. With 'not' in front of the first 'as', the structure says the two things are not equal in that quality, and the adjective still appears in its base form.
Ver respuesta
Respuesta correcta: A)long
A)longCorrect! In the negated as plus adjective plus as pattern the adjective keeps its base form, and 'not' in front of the first 'as' makes the comparison unequal.
B)longerNo. 'longer' belongs to the comparative pattern with 'than', and it cannot be placed between the two 'as' particles of an equality construction.
C)most longNo. 'most long' is not an English form; the comparative of a long adjective is 'longer' and the superlative is 'longest'.
D)the longestNo. 'the longest' is a superlative and would need a third route to compare against, while the sentence names only two.
💡 Explicación
Negation does not change the internal form of the adjective in an equality comparison. With 'not' in front of the first 'as', the structure says the two things are not equal in that quality, and the adjective still appears in its base form.
Pregunta 8
Pregunta 8 · D4Bloom: Analyze
Of the two languages, Spanish is the easier one to learn for a beginner.
Of the two languages, Spanish is the ___ one to learn for a beginner.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)easier
💡 Explicación
Adjectives ending in a consonant plus 'y' change the 'y' into 'i' before the comparative ending. Easy therefore becomes easier and easy becomes the easiest, and the comparative is followed by the complement that names the other item.
Ver respuesta
Respuesta correcta: D)easier
A)easyNo. 'easy' is the base form and states nothing about a comparison, yet the sentence names the easier of two options.
B)more easyNo. 'More easy' mixes the two comparative systems and is not a grammatical form of the adjective easy.
C)the most easyNo. 'the most easy' would be a superlative among three or more items, but the sentence compares exactly two languages.
D)easierCorrect! The comparative of 'easy' is irregular, replacing the 'y' with 'i' and adding 'er', and 'the' before it identifies the chosen item of the pair.
💡 Explicación
Adjectives ending in a consonant plus 'y' change the 'y' into 'i' before the comparative ending. Easy therefore becomes easier and easy becomes the easiest, and the comparative is followed by the complement that names the other item.
Pregunta 9
Pregunta 9 · D4Bloom: Analyze
The second trial of the experiment gave the most reliable results.
The second trial of the experiment gave the ___ reliable results.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)most
💡 Explicación
The two comparative systems do not mix. Adjectives of two syllables or more use 'more' and 'most', and adjectives of one syllable use 'er' and 'est', with a handful of irregular verbs sitting outside both systems.
Ver respuesta
Respuesta correcta: C)most
A)moreNo. 'more' belongs to the comparative, which needs 'than' and a second element, and no such comparison appears in the sentence.
B)mostestNo. 'est' is only added to short adjectives; long adjectives of two or more syllables never take that ending.
C)mostCorrect! Long adjectives take 'the most' for the superlative, so 'the most reliable' is the correct form in front of the noun 'results'.
D)reliableNo. The bare adjective expresses no degree at all, so it cannot say that the results were better than those of the other trials.
💡 Explicación
The two comparative systems do not mix. Adjectives of two syllables or more use 'more' and 'most', and adjectives of one syllable use 'er' and 'est', with a handful of irregular verbs sitting outside both systems.
Pregunta 10
Pregunta 10 · D4Bloom: Evaluate
Nothing in the report is more alarming than the fall in the water supply.
Nothing in the report is ___ alarming than the fall in the water supply.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)more
💡 Explicación
Adjectives of two or more syllables build their comparatives with 'more', and the comparative is always followed by 'than'. Negative subjects such as nothing make the comparison extreme without changing any part of the grammatical pattern.
Ver respuesta
Respuesta correcta: C)more
A)the mostNo. 'the most' would make the sentence a superlative claim, but the presence of 'than' shows that a comparison of two things is being made.
B)alarmingestNo. The ending 'est' is never added to an adjective of two or more syllables, so this form does not exist in English.
C)moreCorrect! 'Alarming' has more than one syllable, so its comparative is built with 'more', and 'nothing' before it reinforces the extreme of the comparison.
D)asNo. 'as' introduces equality and would need a second 'as' to close the structure, which the sentence does not have.
💡 Explicación
Adjectives of two or more syllables build their comparatives with 'more', and the comparative is always followed by 'than'. Negative subjects such as nothing make the comparison extreme without changing any part of the grammatical pattern.
Pregunta 11
Pregunta 11 · D4Bloom: Analyze
The wooden chair is less comfortable than the armchair in the reading room.
The wooden chair is ___ comfortable than the armchair.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)less
💡 Explicación
The comparative system has two halves: more for a greater degree and less for a smaller one. Both are followed by 'than', and using less with an adjective such as comfortable is one of the standard patterns students must master.
Ver respuesta
Respuesta correcta: A)less
A)lessCorrect! 'Less' is the comparative of 'little' used in the sense of a smaller degree, and it is followed by 'than' to name the greater item.
B)not asNo. 'not as' would need a second 'as' to close the equality construction, so the sentence would never reach the second element being compared.
C)lesserNo. 'Lesser' is not used with countable qualities such as comfortable in standard English, where 'less' alone is required.
D)the leastNo. 'the least' is a superlative and requires a group of three or more, while the sentence compares only two seats.
💡 Explicación
The comparative system has two halves: more for a greater degree and less for a smaller one. Both are followed by 'than', and using less with an adjective such as comfortable is one of the standard patterns students must master.
Pregunta 12
Pregunta 12 · D4Bloom: Evaluate
This exercise is far more challenging than the previous one.
This exercise is ___ more challenging than the previous one.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)much
💡 Explicación
Intensifiers such as much, far, a little and slightly can sit in front of a comparative without changing the comparison itself. They only modify the degree of the difference, which is why the sentence can carry both 'far' and 'much' together.
Ver respuesta
Respuesta correcta: D)much
A)mostNo. 'most' forms the superlative and cannot appear before 'than', which only the comparative pattern allows.
B)lessNo. 'less' would reverse the comparison and say the exercise is easier, which the sentence denies.
C)the mostNo. 'the most' also forms a superlative and is incompatible with the following 'than'.
D)muchCorrect! 'Much' is an intensifier that strengthens a comparative without changing the structure, and 'far' before it adds even more emphasis.
💡 Explicación
Intensifiers such as much, far, a little and slightly can sit in front of a comparative without changing the comparison itself. They only modify the degree of the difference, which is why the sentence can carry both 'far' and 'much' together.
Pregunta 13
Pregunta 13 · D4Bloom: Analyze
Of all the machines in the workshop, this one is the quietest.
Of all the machines in the workshop, this one is the ___.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)quietest
💡 Explicación
A superlative identifies one item among a group and takes the definite article before it. The form itself depends on the adjective: 'est' for short words and 'the most' for longer ones, with irregulars such as good, bad, far and little handled separately.
Ver respuesta
Respuesta correcta: C)quietest
A)quieterNo. 'quieter' is a comparative and needs 'than', so it cannot identify one item among all the machines in the workshop.
B)most quietNo. 'most' is not used with a single syllable adjective in its superlative form, so 'most quiet' is ungrammatical.
C)quietestCorrect! 'Quiet' is a short adjective and its superlative adds 'est', with 'the' naming the single best item of the whole group.
D)as quietNo. 'as quiet' would need a second 'as' and would express equality with one other machine, not superiority over the whole group.
💡 Explicación
A superlative identifies one item among a group and takes the definite article before it. The form itself depends on the adjective: 'est' for short words and 'the most' for longer ones, with irregulars such as good, bad, far and little handled separately.
Pregunta 14
Pregunta 14 · D4Bloom: Analyze
The coastal route takes longer than the mountain route during the rainy season.
The coastal route takes ___ than the mountain route in the rainy season.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)longer
💡 Explicación
Single syllable adjectives ending in a silent 'e' usually add only 'r' to make the comparative, giving longer. The comparative then names the greater item with 'than', and the verb of duration remains unchanged.
Ver respuesta
Respuesta correcta: D)longer
A)more longNo. 'More long' combines the long form with a single syllable adjective that already takes 'er', so the phrase is ungrammatical.
B)the longestNo. 'the longest' is a superlative and cannot be followed by 'than', which belongs only to comparisons of two items.
C)as longNo. 'as long' requires a second 'as' to close the equality construction, and the sentence compares two unequal durations.
D)longerCorrect! 'Long' takes the ending 'er' to form its comparative, and the verb 'takes' already carries the idea of duration in this sentence.
💡 Explicación
Single syllable adjectives ending in a silent 'e' usually add only 'r' to make the comparative, giving longer. The comparative then names the greater item with 'than', and the verb of duration remains unchanged.
Pregunta 15
Pregunta 15 · D4Bloom: Apply
This essay is not as organised as the one your sister wrote.
This essay is not as ___ as the one your sister wrote.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)organised
💡 Explicación
The double as construction is closed: whatever adjective goes in the middle stays in its base form, whatever its length. The only element that changes the meaning is the negation, which inverts the equality into a difference.
Ver respuesta
Respuesta correcta: B)organised
A)more organisedNo. 'more organised' is the comparative and cannot be placed between the two 'as' particles of an equality structure.
B)organisedCorrect! The base form sits between the two 'as' particles, and the negation in front of the first 'as' makes the comparison unequal in that quality.
C)most organisedNo. 'the most organised' is a superlative and would need a group of three or more essays to compare against.
D)organisedestNo. The ending 'est' is never attached to a long adjective such as organised, so this form cannot exist.
💡 Explicación
The double as construction is closed: whatever adjective goes in the middle stays in its base form, whatever its length. The only element that changes the meaning is the negation, which inverts the equality into a difference.
Pregunta 16
Pregunta 16 · D4Bloom: Analyze
The mountains in the south are the highest in the whole country.
The mountains in the south are the ___ in the whole country.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)highest
💡 Explicación
When the comparison covers a whole country or an entire group, the superlative is the only form available. Its ending 'est' follows the same rule as the comparative 'er', applied to a single syllable adjective with no doubling.
Ver respuesta
Respuesta correcta: C)highest
A)higherNo. 'higher' is a comparative and would need 'than' plus a second group of mountains to compare with.
B)most highNo. 'most' cannot be used with a one syllable adjective in a superlative, so 'most high' is not English.
C)highestCorrect! 'High' takes the ending 'est' for the superlative, and the phrase 'in the whole country' confirms the comparison against a large group.
D)as highNo. 'as high' needs a second 'as' and would express equality, which the sentence explicitly denies by naming them the highest.
💡 Explicación
When the comparison covers a whole country or an entire group, the superlative is the only form available. Its ending 'est' follows the same rule as the comparative 'er', applied to a single syllable adjective with no doubling.
Pregunta 17
Pregunta 17 · D4Bloom: Evaluate
My brother is almost as tall as my father now.
My brother is almost as ___ as my father now.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)tall
💡 Explicación
Adverbs such as almost, nearly and just as soften an equality without altering the structure. The adjective remains in its base form because the comparison is still expressed by the two 'as' particles rather than by any inflection.
Ver respuesta
Respuesta correcta: B)tall
A)tallerNo. 'taller' belongs to the comparative pattern and cannot be placed between the two 'as' particles of this equality structure.
B)tallCorrect! The base form 'tall' is what the double as construction requires, and the adverb 'almost' makes the two heights nearly identical.
C)tallestNo. 'the tallest' is a superlative among three or more people and cannot be compared with 'as'.
D)more tallNo. 'more tall' mixes the long form with a short adjective and produces a form that does not exist.
💡 Explicación
Adverbs such as almost, nearly and just as soften an equality without altering the structure. The adjective remains in its base form because the comparison is still expressed by the two 'as' particles rather than by any inflection.
Pregunta 18
Pregunta 18 · D4Bloom: Evaluate
Of the two proposals, the second one is by far the more convincing.
Of the two proposals, the second one is by far the ___ convincing.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)more
💡 Explicación
Even when the compared set contains only two members, a long adjective still builds its comparative with 'more'. Intensifiers such as 'by far' can then strengthen it, and the definitive 'the' identifies which of the two is being described.
Ver respuesta
Respuesta correcta: A)more
A)moreCorrect! A long adjective takes 'more' before it, and the phrase 'by far' intensifies the difference without changing the comparison.
B)mostNo. 'most' with a long adjective forms a superlative, which would need a group larger than the two proposals named here.
C)more betterNo. English never stacks a comparative word on top of an irregular comparative ending, so this form has no grammatical status.
D)most convincingerNo. Neither 'most' nor the ending 'er' can be attached to this adjective at the same time.
💡 Explicación
Even when the compared set contains only two members, a long adjective still builds its comparative with 'more'. Intensifiers such as 'by far' can then strengthen it, and the definitive 'the' identifies which of the two is being described.
Pregunta 19
Pregunta 19 · D4Bloom: Analyze
The blue whale is the largest animal that has ever been measured.
The blue whale is the ___ animal that has ever been measured.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)largest
💡 Explicación
The superlative is used for a single item that exceeds all the others in a group, and that is precisely what the sentence claims about the blue whale. The form 'largest' is the regular superlative of a one syllable adjective ending in a silent 'e'.
Ver respuesta
Respuesta correcta: B)largest
A)largerNo. 'larger' is a comparative and would require 'than' plus a second animal, which the sentence does not offer.
B)largestCorrect! 'Large' takes the ending 'est' for the superlative, and the definite article names it as the single greatest of its kind.
C)more largeNo. 'more large' mixes the two systems, since a single syllable adjective never takes 'more' before its comparative.
D)as largeNo. 'as large' would need a second 'as' and would express equality, which the superlative claim of the sentence denies.
💡 Explicación
The superlative is used for a single item that exceeds all the others in a group, and that is precisely what the sentence claims about the blue whale. The form 'largest' is the regular superlative of a one syllable adjective ending in a silent 'e'.
Pregunta 20
Pregunta 20 · D4Bloom: Evaluate
Your description is much clearer than the one on the notice board.
Your description is ___ clearer than the one on the notice board.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)much
💡 Explicación
Intensifiers work with comparatives of every type, including the irregular 'clearer' which is already a comparative form. They sit between the verb and the adjective and simply add emphasis to the difference already stated by 'than'.
Ver respuesta
Respuesta correcta: D)much
A)the mostNo. 'the most' is a superlative form and would be incompatible with the 'than' that follows in this sentence.
B)asNo. 'as' opens an equality comparison that must be closed by a second 'as', which the sentence does not contain.
C)lessNo. 'less' would reverse the direction of the comparison and say the description is less clear than the notice.
D)muchCorrect! 'Much' strengthens the comparative 'clearer' that is already present, and it does not change any part of the underlying structure.
💡 Explicación
Intensifiers work with comparatives of every type, including the irregular 'clearer' which is already a comparative form. They sit between the verb and the adjective and simply add emphasis to the difference already stated by 'than'.
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