[ Subject Verb Agreement ]
The number of chromosomes in a cell (varies / vary) from species to species.
A. varies
B. vary
Select your answer:

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Past Perfect Simple & ContinuousVerb Tenses and Subject Verb AgreementCommon ErrorAuxiliary VerbsGrammar - TOEICAntonymsGrammar and Sentence StructureFuture Simple TenseGrammar : can, could and be able toOpinion / AgreementOther quiz:
Grammar and Vocabulary › View. For my journey to work, it’s hard to choose _____ the bus and the train.
A. from
B. between
C. with
Grammar › View
Identify the verb in this sentence:
The tiny baby is happy.
A. tiny
B. is
C. baby
D. happy
