A.had to fill |
B.would have filled |
C.should have filled |
D.could have filled |
A.can’t | B.doesn’t | C.wouldn’t | D.didn’t |
A.needn’t | B.mustn’t | C.shouldn’t | D.couldn’t |
A.will | B.shall | C.may | D.need |
A.would take | B.would have taken | C.shall take | D.could be taken |
A.could | B.should | C.had to | D.were able to |
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