A.does | B.will | C.did | D.would |
A.will have | B.should have | C.must have | D.have had |
A.should have taken | B.must take |
C.might take | D.must have taken |
A.might have passed | B.should have passed |
C.would have passed | D.could have passed |
A.won’t | B.mustn’t | C.needn’t | D.can’t |
A.would | B.can’t | C.should | D.needn’t |
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