who's the man over there is it mr black ---it __ be him .he's must taller .A.may not B.can't C.will not D.mustn't
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who''sthemanoverthereisitmrblack---it__behim.he''smusttaller.A.maynotB.can''tC.willnotD.mustn''twho''sthe
who's the man over there is it mr black ---it __ be him .he's must taller .A.may not B.can't C.will not D.mustn't
who's the man over there is it mr black ---it __ be him .he's must taller .
A.may not B.can't C.will not D.mustn't
who's the man over there is it mr black ---it __ be him .he's must taller .A.may not B.can't C.will not D.mustn't
B 不可能是（ 否定句中的猜测用CAN‘T ）