Weshouldkeepquietinthecinema.We                        ...

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Weshouldkeepquietinthecinema.We                        ...

We should keep quiet in the cinema.We                         speak loudly.(  )

A.can      B.must     C.needn't      D.mustn't

【回答】

D.

知识点:情态动词

题型:选择题

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