A.am able; couldn’t | B.could; was able to |
C.was quite able to; couldn’t | D.couldn’t was able to |
A.can | B.will | C.must | D.should |
A.might | B.should | C.would | D.need |
A.can be; mustn’t be | B.may have been;must have been |
C.may have been; can’t be | D.must have been ; can’t have been |
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 |
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