--I saw Mr. Smith at Wuhan Station this morning.--You ________ have made a mista

题干

--I saw Mr. Smith at Wuhan Station this morning.
--You ________ have made a mistake. He’s still on holiday in Canada.

A．can	B．must
C．can’t	D．needn’t

上一题下一题 0.64难度单项选择更新时间:2014-12-14 10:13:00

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