A. should | B.might | C.must | D.can |
A.shouldn’t | B.mustn’t | C.can’t | D.needn’t |
A.will | B.may | C.shall | D.Must |
A.must come | B.would come | C.must have come | D.would have come |
A.will | B.may | C.shall | D.must |
A.could do | B.would do | C.could have done | D.must have done |
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