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?
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?
答
has been是去过，已经回来
has gone是已经去了，还没回来
答
has been 指去过
has gone 指去了,可能还没有回来.
考虑到后面的twice,所以应该是去过了两次,故选has been