问题描述:
Mary as well as her parents( )to the Great Wall twice.
有has been和has gone2个选项.我选的是has gone,但答案给的是has been.为什么呢?
有has been和has gone2个选项.我选的是has gone,但答案给的是has been.为什么呢?
问题解答:
我来补答展开全文阅读