how long each other before the married?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/14 20:00:43

how long __each other before the __married?
---how long ___ each other before they ___ married
--- For about a year.
a.have they known ; get b.had they known ; got
为什么要用b不用a 怎么理解的?
那里看的出都是过去发生的动作?

首先,他们应该已经结了婚了,所以get married 应用过去时got
其次,这个句子说的是结婚以前,是过去的过去,所以用过去完成时

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