题目内容
【题目】I don’t think he could have done such a stupid thing last night, ?
A. do I
B. could he
C. did he
D. has he
【答案】C
【解析】 I think/believe. .的句型改为反意疑问句时,应与宾语从句在人称和时态上一致,同时应考虑到否定的前移。could have done为虚拟语气,变反意疑问句时需将时态还原,由“last night”可知用过去时,故选C。
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