单选题_____Acouldn’tBwouldn’tCmustn’tDshouldn’t

单选题
_____
A

couldn’t

B

wouldn’t

C

mustn’t

D

shouldn’t


参考解析

解析:
根据句子含义,那我们就不必来上课了。表示与将来事实相反的虚拟语气,从句被省略了。根据句意选B。mustn’t不许;shouldn’t不应该。

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