考试
2020-03-16 17:00:18

1915 They must have been enjoy

题目描述

They must have been enjoying themselves there, or they______so long.A.can"t have stayedB.w



They must have been enjoying themselves there, or they______so long.

A.can"t have stayed

B.wouldn"t have stayed

C.needn"t have stayed

D.couldn"t stay

请帮忙给出正确答案和分析,谢谢!

答案解析

B这是一个含蓄虚拟条件句。or相当于or

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