The room is in a terrible mess; it ______ cleaned. A. can’t have been B. couldn’t be C. mustn’t be ...
2023-02-11 01:00:58 154次 湖南省长沙市一中2010年上学期高一期末考试 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容:
The room is in a terrible mess; it ______ cleaned.
A. can’t have been B.
couldn’t be C.
mustn’t be D.
mustn’t have been
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