A.did not | B.could not | C.might not | D.would not |
A.smelled | B.was smelling | C.could smell | D.might smell |
A.can | B.will | C.may | D.shall |
A.would not come | B.might not come |
C.should not come | D.could not come |
A.ought to | B.would | C.should | D. must |
A.shouldn’t have come | B.needn’t have to come |
C.didn’t need to come | D.needn’t have come |
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