4. 连词:

1）连接词that引导的同位语从句

that在从句中 ， ， 。

He told me the news that he would come home from aboard soon.

There is no doubt that the prices of cars will go down.

2）连接词whether引导的同位语从句

只用whether引导, 不用 ___ ，而且whether 。

这个问题是否正确还未被证实.

The problem ________ is right hasn't been proved.

3）连接词代词what/which/who引导的同位语从句

what/which/who在从句中

1.谁会出国这个问题还未决定.

　The question _____ should go abroad hasn't been decided yet.

2.我不知道该选哪个.

I have no idea ______ one I should choose.

4）连接词副词when/where/why/how引导的同位语从句

1.我了解他们为什么离开得那么早.

　I've got a good idea _____ they left early.

2. 我们还没决定好去哪儿.

　The question _______ we should go has not been decided.

探究二：同位语从句与定语从句区别:

1. 从词类上区别:

同位语从句前面的名词只能是 等有一定内涵的名词，而定语从句的先行词可以是 。

He told me the news that he would come home from aboard soon.