Had they known what was coming next, they ________ second thoughts.A．may haveB．c_刷题宝

题干

Had they known what was coming next, they ________ second thoughts.

A．may have	B．could have
C．must have had	D．might have had

上一题下一题 0.65难度单项选择更新时间:2012-06-26 10:23:54

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