A.Must; needn’t; may | B.will; mustn’t; ought to |
C.Shall; can’t; have to | D.Should; didn’t have to; can |
A.can’t be | B.wouldn’t be |
C.mustn’t have been | D.couldn’t have been |
A.must | B.can | C.should | D.need |
A.shall | B.would | C.must | D.ought |
A.will | B.can’t | C.shall | D.do |
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