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 |
A.arrived | B.had arrived | C.would arrive | D.would have arrived[ |
A.should have fallen | B.must have fallen | C.could fall | D.must fall |
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