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A
couldn’t
B
didn’t
C
mustn’t
D
shouldn’t
正确答案 :A
解析
本题考查句法——情态动词。
句意:上周一你____ 看到简在她的房间里。她出城一周了。
A项:couldn’t have done 过去不可能做过某事。符合题意,故选A。
B项:didn’t have done 结构错误。不符合题意,故排除。
C项:mustn’t have done 结构错误。不符合题意,故排除。
D项:shouldn’t have done过去本不应该做某事,而实际却做了。不符合题意,故排除
故本题答案为A。
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