We have know each other -- more than three years.A.for B.since C.in D.at 为什么?
问题描述:
We have know each other -- more than three years.A.for B.since C.in D.at 为什么?
答
选A
题目应该是have known吧
这是现在完成时,for + 一段时间用于完成时,表示已经认识对方三年多了.