.Do you know him well?Sure,we---friends since ten years ago.

问题描述:

.Do you know him well?Sure,we___friends since ten years ago.
A..were B.have C.have become D.have made
选B为什么?是不是答案错了
1个回答 分类:英语 2014-10-19

问题解答:

我来补答
选A
现在完成时的谓语只能是延续性动词,选项C、D的become和make都是短暂性动词所以错误
B选项缺少谓语动词
 
 
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