宾语从句引导词（如何区分宾语从句的引导词）
hat和what都可引导宾语从句，用这两个方法很好区分：
一、that在从句中不作字母娱乐网网句子成分，一般可省略。
what 在从句中可作主语、宾语、表语等，不能省略。
They stopped to see what was happening．
他们停下来看发生了什么事情。
(what在从句中作主语，不能省略)
I think (that) he needs more practice.
我认为他需要多练习。
(that在从句中不作成分，可以省略)
二、that 引导名词从句时，没有词义。
what 引导宾语从句时，有词义(什么; 所....的[东西])
Tell me what he really wants.
告诉我他真正想要什么。
what (什么; 所想要的)
We all know (that) he is right.
我们都知道他是正确的。
（that 没有词义）
巩固练习：
1. ________ you said is different from the thing ________he told us.
A. What, w字母娱乐网网hat B. That, that
C. What, that D. That, what
2. I think ________ he said is true
But dont forget the fact ________he is a cheat.
A. what, what B. that, that
C. what, that D. that, what
3. ________ surprised us most is ________he spoke English 字母娱乐网网so well.
A. What, what B. That, that
C. What, that D. That, what
答案:1. C 2. C 3. C