Mary and Ktty-----(know)each other for a long time.横线上添什么时态

问题描述:

Mary and Ktty_____(know)each other for a long time.横线上添什么时态
是have known吗?
1个回答 分类:英语 2014-10-23

问题解答:

我来补答
have known
现在完成时
 
 
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