一个关于反义疑问句的问题,I don't think he could have done such a stupid

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一个关于反义疑问句的问题,I don't think he could have done such a stupid thing last night _____?
A .do B could he C.did he?D.has he?
这样的I think /imgine /suppose 的类型是针对从句反问么?如果从句中含有could /should /might /would have done怎么选呢?

did he 当主句主语为第一人称时,要看从句.否定前移.所以这句的否定意义在后面的宾语从句中,从句为否定句,后用肯定.情态动词表推测时,不用情态动词来完成问句,有过去时间用过去时.所以这句要did he.

一个关于反义疑问句的问题,I don't think he could have done such a stupid 关于反义疑问句的1.I don't think he could have done such a stupid thi 反义疑问句I don't think he could have done such a stupid thing la I don’t think he could have done such a stupid thing last ni I don't think he could have done such a stupid thing last ni I don,t think he could have done such a stupid thing last ni 10.I don't think he could have done such a stupid thing last I don't think he could do such a stupid thing last night,___ i don't think he could have done better than that,()?A.do i I don t think he could have done so much homework last night 英语专家进!i don't think he could have done so much homework,last 1 I don’t think he could have done so much homework last nig