英语问题.为什么选d请逐个选项分析,谢谢.He()have e here yesterday,()he?A.mustn't'did B.douldn't;has C.mustn't;haven't D.would have been able to
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我估计应该有个答案是couldn't.did吧?
首先,must have done的否定不能是mustn't have done,因为mustn't这形式不表示推断了,表示禁止的意思.其次,针对有过去推断语气的句子写反义疑问句,不能简单用情态动词,而是要根据实际时态来.
======以下答案可供参考======
供参考答案1:
D项不全啊