A.need | B.must | C.may | D.Will |
A.Would | B.Should | C.Can | D.Must |
A.might choose | B.might have chosen | C.had to choose | D.must have chosen |
A.Will | B.Should | C.Would | D.Could |
A.must have been | B.might be |
C.could be | D.might have been |
A.might | B.must | C.will | D.should |
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