题目内容
—Look at the man running after the bus! Is that Mr. White?
—It ________ be him. He has gone to Shanghai.
A.couldn't B.mustn't C.can't D.wouldn't
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题目内容
—Look at the man running after the bus! Is that Mr. White?
—It ________ be him. He has gone to Shanghai.
A.couldn't B.mustn't C.can't D.wouldn't