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
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
D