A.will have | B.would have |
C.will be having | D.will have had |
A.may not | B.mustn’t | C.needn’t | D.shouldn’t |
A.get through | B.get across | C.get over | D.get around |
A.should have failed | B.could have failed |
C.need have failed | D.might have failed |
A.shall | B.will | C.must | D.could |
A.must have worked | B.should have worked | C.may have worked | D.should work |
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