______, they would certainly come and help us.

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问题 ______, they would certainly come and help us.

选项 A、Had they time
B、Do they have time
C、Had they have time
D、Did they had time

答案A

解析这是一个if引导的条件从句的省略，如果包含had, were, should, 或could, if的虚拟条件句省略时，就要将这些词放在主语前面作部分倒装。

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大学英语三级A级

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