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题目内容
（三门峡职业技术学院英语读写）
The room is in a terrible mess; it _________ cleaned.
A.can’t have been
B.mustn’t have been
C.shouldn’t have been
D.wouldn’t have been
A.can’t have been
B.mustn’t have been
C.shouldn’t have been
D.wouldn’t have been
参考答案
