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They try to get some vigorous exercise at least three times ______ week.
A. –
B. a
C. an
D. the

Random Topics:
AdverbTenses and PronounsCorrelative ConjunctionAdverbs (manners & modifiers)Prepositions & Prepositional PhrasesPossessive Pronouns and Adjective PronounsModal Verbs and ConditionalsWould rather/ would prefer/ would likeComparatives - SuperlativesPresent Simple TenseOther quiz:
Grammar › Viewthe tails of the cats
A. the cat’s tails
B. the cats’ tails
C. the cat tails
Articles › View
They go to the cinema at least twice ………. .
A. a month
B. the month
C. in month
Tenses › ViewMy mom_____ in the market now.
A. was
B. does
C. has been
D. is
Some vs. Any › View
I don’t have __ clean shoes to go to the concert
a. some
b. any
