I have being waiting for an hour but he still___.A.hasn't turned up B.didn't turn up C.didn't show upA对,为什么要用完成时?其他两个为什么错?求解,谢谢

分类: 作业答案 • 2022-07-15 00:07:07

问题描述：

I have being waiting for an hour but he still___.
A.hasn't turned up B.didn't turn up C.didn't show up
A对,为什么要用完成时?其他两个为什么错?
求解,谢谢

答

A :表示主语“I"还在等,在等的时候他还没有出现.