专四

单选题 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

参考答案:B进入在线模考
B。我认为他昨晚不可能做出那样愚蠢的事,对吗?
考查反意疑问句。I don’t think之后跟的宾语从句中,反意疑问句根据从句而定,故选B。