题目内容
The desk that ________ clean so I could do homework was always surrounded with bowls of bad milk,old magazines and so on.
A.may have been B.would have been
C.must have been D.should have been
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题目内容
The desk that ________ clean so I could do homework was always surrounded with bowls of bad milk,old magazines and so on.
A.may have been B.would have been
C.must have been D.should have been