问题描述:
i've read all the books you gave me
i've read all the books what you gave me.
为什么只能用what而不能用that?它们有什么区别
i've read all the books what you gave me.
为什么只能用what而不能用that?它们有什么区别
问题解答:
我来补答展开全文阅读