80、He must have left home yesterday,he?A.hasn’t B.didn’t C.mustn’t D.needn’t选了A为什么错了?

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80、He must have left home yesterday,he?A.hasn’t B.didn’t C.mustn’t D.needn’t选了A为什么错了?
80、He must have left home yesterday,he?A.hasn’t B.didn’t C.mustn’t D.needn’t
选了A为什么错了?

80、He must have left home yesterday,he?A.hasn’t B.didn’t C.mustn’t D.needn’t选了A为什么错了?
80、He must have left home yesterday,___ he?
A.hasn’t B.didn’t C.mustn’t D.needn’t
选B
因为He must have left home yesterday是表示对【过去的推测】,反义疑问部分应该针对yesterday这个过去的时间,所以用didn't he?

可能因为:hasn't表示完成,didn't表示过去的动作,根据句意应该是说“他没有么?”表示一个动作,而不是说是不是昨天已经离开。

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