A.should | B.may | C.can | D.Would |
A.may | B.shouldn’t | C.must | D.can’t |
A.were going | B.had gone | C.would go | D.has gone |
A.must | B.ought to | C.need have | D.should have |
A.won’t | B.needn’t | C.mustn’t | D.wouldn’t |
A.couldn’t have stayed up | B.mustn’t have stayed up |
C.shouldn’t have stayed up | D.needn’t have stayed up |
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