----Look,Mr.Hu is on the other side of the street.
----It____ be him.He has gone to Lanzhou.
A.mustn’t | B.can’t | C.wouldn’t | D.couldn’t |
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----Look,Mr.Hu is on the other side of the street.
----It____ be him.He has gone to Lanzhou.
A.mustn’t | B.can’t | C.wouldn’t | D.couldn’t |