You _______________ use a mobile phone during class. It's not ...

[ Vocabulary and Grammar ]

You _______________ use a mobile phone during class. It’s not allowed.

A. must

B. mustn´t

C. can

D. could

Select your answer:

Random Topics:
So Such Enough Too would should could Time Clauses of Future Articles and Determiners Action Verb Grammar of Future Plans Adverbial Clause, Noun Clause Grammar (Adverbs, Prepositions, Prepositional Phrases)Passive Voice - Past Simple

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