A.would do | B.could have done | C.must have | D.should do |
A.may | B.can | C.might | D.Should |
A.may;needn’t | B.must;can’t | C.shall;won’t | D.can;mustn’t |
A.is; would have | B.were; would have |
C.was; would have had | D.were; would have had |
A.need | B.must | C.may | D.Will |
A.Would | B.Should | C.Can | D.Must |
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