()surprised us.A.what he did B.what he has done C.what did he do D.what he has done.为什么不能选has done那个完成时态呢?
问题描述:
()surprised us.A.what he did B.what he has done C.what did he do D.what he has done.为什么不能选
has done那个完成时态呢?
答