All MCQs

The adverb modifies the verb 'works' and compares two people.
Multi-syllable adverbs normally use 'more' for the comparative.

'Tastes' is a linking verb here and connects the subject to a description.
A subject complement after a linking verb is normally an adjective.

The word modifies the verb 'answered.'
The adverb 'correctly' describes the manner of the answer.

'More useful' is the correct comparative form of a multi-syllable adjective.
Using both 'more' and an -er form would be redundant.

The correlative structure uses comparative forms in both clauses.
'Better' is the irregular comparative of 'good.'

Long adjectives usually form the superlative with 'most.'
The definite article 'the' also signals the highest degree.

One-syllable adjectives generally form the comparative with -er.
The word 'than' signals a comparison between two routes.

'Very' directly intensifies the adjective 'difficult.'
'Much' is not normally used before a positive-form adjective.

The word modifies the verb phrase 'completed the task.'
An adverb such as 'carefully' is required to describe how it was done.

'Theirs' is an independent possessive pronoun.
It contrasts directly with the independent possessive 'yours.'

'One' substitutes for the previously mentioned countable noun 'pen.'
It avoids unnecessary repetition.

'Someone' refers to an unspecified person and takes a singular verb.
It fits both the meaning and the grammar of the sentence.