--- I saw the Smiths at West Beijing Station this afternoon.--- You __________.

题干

--- I saw the Smiths at West Beijing Station this afternoon.
--- You __________. They are still on holiday in Hawaii.

A．mustn't have

B．shouldn't

C．couldn't have

D．needn't

上一题下一题 0.64难度单项选择更新时间:2013-11-11 04:16:39

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