tom has changed a lot .he is no longer like___ a.
what he used to be
b.that he used to be
c.what he is used to be
d.that he is used to be
正确答案是a,老师说b选项后面缺少什么,缺少了什么呢?
楼下的,说一下如果我要选b应该在后面加什么,举个例子吧!
恶…我知道应该选a,理由也知道,我只是想知道如果一定要用b的话,应该在b后面加什么?
还有楼下说的重复是什么意思?哪里重复了?that相当于空气的话变成he used to be 这样到底是哪里不行了呢?