A.ought | B.must | C.should to | D.ought to |
A.must go | B.can’t go | C.must have gone | D.can’t have gone |
A.would be | B.would have |
C.used to have | D.used to be |
A.Will | B.May | C.Must | D.Need |
A.Must | B.Can | C.May | D.Will |
A.must | B.mustn"t | C.have to | D.don"t have to |
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