The room is in terrible mess; it cleaned. [ ] A.can’t have been B.shouldn’t have
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![The room is in terrible mess; it cleaned. [ ] A.can’t have been B.shouldn’t have](/pic/43_894254.jpg)
The room is in terrible mess; it ________ cleaned.
[]A.can’t have been
B.shouldn’t have been
C.mustn’t have been
D.wouldn’t have been
试题答案
答案:A