应广发今日头条友友要求，今天专题讨论一下只能用that引导的定语从句的几种情形:
1.当先行词为everything、all、little、much、none等不定代词时，只能用引导词that。
There is nothing that can stop him from doing it. 没有任何东西能够阻止他做这件事。
2.当先行词既包含人又包含物时，只能用引导词that。
They are talking of the stars and their apperances that interest them. 他们正在谈论他们感兴趣的明星及他们的外貌。
3.当先行词前有 last、next、only、very等词修饰时，只能用引导词that。
The only person that he can remember is his mother. 他唯一能记住的人是他的母亲。
4.当先行词是疑问代词who，which，what或主句以这些词开头时，只能用引导词that。
Who is the girl that is playing the guitar? 在弹吉他的女孩是谁?
5.当先行词为形容词最高级或被形容词最高级修饰时， 只能用引导词that。
This is the most interesting story book that I have ever read.
这是我读过的一本最有趣的故事书。
