A.can"t be | B.must be | C.may not be | D.should be |
A.muxt have killed | B.would have killed |
C.should have killed | D.could have killed |
A.should be | B.should | C.should have | D.did |
A.haven’t passed | B.wouldn’t pass |
C.would have failed in | D.failed in |
A.must | B.can | C.should | D.might |
A.is liking | B.like | C.likes | D.liked |
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