A.must | B.would | C.should | D.might |
A.can’t be | B.mustn’t be | C.can’t have been | D.mustn’t have been |
A.Shall | B.Must | C.Should | D.Can |
A.died | B.would die | C.might have died | D.could die |
A.should not be let | B.must not be let | C.should not be allowed | D.must not be allowed |
A.is | B.have | C.must be | D.must have |
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