A.would | B.should | C.could | D.ought to |
A.could do | B.could have done | C.did | D.has done |
A.was delayed, doesn’t | B.will be delayed, won’t |
C.am delayed, didn’t | D.would delay, mustn’t |
A.can | B.should | C.might | D.need |
A.would | B.should | C.will | D.shall |
A.needn"t | B.won"t | C.mustn"t | D.shouldn"t |
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