[ Expressing Obligation and Modals ]
You …. eat in class.
A. must not
B. must
Select your answer:

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Adverb of FrequencyPresent Simple: affirmative, negative, interrogativeTOEIC GrammarConditionals / Unreal PastSimple Present VS Present ContinuousTOEIC Grammar and Vocabulary ReviewModals, Infinitives and GerundsConstrative ConjunctionIdentifying TensesTypes of PhrasesOther quiz:
Grammar › ViewMy mother _ curry for dinner.
A. cook
B. cooking
C. cooks
Gerund after Prepositions and Certain Verbs › View
She doesn’t approve ____ watching television all day.
A. in
B. at
C. of
D. by
