this is the book what i saw yesterday和 this is the book that i sa_其他解答

this is the book what i saw yesterday和 this is the book that i saw yesterday 有什么区别
rt.

人气：103 ℃　时间：2019-08-21 15:24:23

解答

区别就在第一句是错的,第二句是对的
what 不能引导定语从句