[ Subject Verb Agreement ]
The air in mountains ___________ fresher than in cities.
A. is
B. are

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Present Tense vs Present ContinuousVerb-ing or to VerbSimple vs Continuous Past TenseLinkers and ConjunctionsSubject and Verbs AgreementNoun QuantifiersModalsIn/On/At + TimePast or Present Verb TenseDemonstrative Pronouns and Verb TensesOther quiz:
Grammar Pronoun and Singular Plural Noun › ViewSingular means 1.
A. TRUE
B. FALSE
Grammar › View
Yesterday morning I _________ (get) up at 6.30.
A. got
B. get
C. am getting
D. have go
Adjectives and Adverbs › ViewAdverbs can describe_____, ______, & ______.
A. verbs, adjectives, adverbs
B. nouns, verbs, adjectives
C. pronouns, verbs, adjectives
D. verbs, adverbs, nouns
Grammar › View
Catherine’s knowledge of computers ________ so extensive that everybody wants her to be in their project group.
A. is
B. are
C. was
D. were
