-Do you know Wang Qin well?-Sure.We friends since ten years ago.A. became B. have becomeC. were D. have been D [解析]句意:--你了解王琴吗?--当然.自从10年前我们就成了朋友.根据since ten years ago.可知是现在完成时态.排除A/C,根据since ten 题目和参考答案——青夏教育精英家教网—

—Do you know Wang Qin well?

—Sure.We ________ friends since ten years ago.

A. became B. have become

C. were D. have been

D 【解析】句意：——你了解王琴吗？——当然，自从10年前我们就成了朋友。根据since ten years ago.可知是现在完成时态，排除A/C；根据since ten years ago.可知用延续性动词，become是短暂性动词；故选D

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