–What do you think the noise was? --It ___________ a cat.A．may beB．might beC．can_刷题宝

题干

–What do you think the noise was?
--It ___________ a cat.

A．may be	B．might be
C．can have been	D．might have been

上一题下一题 0.4难度单项选择更新时间:2012-06-27 10:39:58

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