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They try to get some vigorous exercise at least three times ______ week.
A. –
B. a
C. an
D. the
Select your answer:
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Modal Auxiliary VerbsDirect-Indirect SpeechAdjectives Ed and IngTOEIC Grammar and Vocabulary ReviewSimple and Progressive Verb TensesVerb Tenses and ModalsLanguage Features of an Opinion ArticleComparatives ( adj/ adv)Simple TensesIdentify The TensesOther quiz:
Modal Verbs › ViewIt expresses obligation.
A. Can
B. Should
C. Must
D. May
Have as verb and auxiliary › View
The students _______ their cameras on all the time.
A. have to
B. have got to have
C. have had
D. have haven´t