2. They were discussing the problem _________________________________(这时老师进来了).

3. The trouble is _____________________________________(他误解了我).

4. ____________________________________(无论何时我听到这个故事), I cannot help crying.

5. ___________________________________(无论发生什么)，you must keep calm.

6. ___________________________________(是因为她妈妈病了) that she didn't go with us.

7. ________________________________(你介意) my opening the door?

8. _________________________(让人吃惊的是) that she should have said nothing about murder.

9. He ______________________________________ (确实来过) but soon went back.

10. ____________________________(学一门外语) is not easy.

V. 语法专练---- 宾语从句和表语从句

1. His writing is so confusing that it is difficult to make out _______ he is trying to express.

A that B how C who D what

2. In order to encourage the workers to work hard, the manager decides to reward _____ produces the most in the factory.

A who B whom C whomever D whoever

3. The exhibition tells us _______ we should do something to stop air pollution.

A where B why C what D which

4. Our bad living habits will destroy the earth. Only by changing ______ we live can we save the earth.

A that B what C how D where

5. I'm afraid he's more a talker than a doer, which is ______ he never finishes anything.

A that B when C where D why

6. We never doubt _______ our school team will win the football match against No. 3 Middle School.

A whether B that C if D what

7. The reason why he has always been successful is _________ he never gives up.

A because B what C that D when

8. You should keep these old jam bottles ---- you never know ______ you might need them.

A when B how C what D where

9. ---- Many online games are full of violence, which do harm to the development of the children.

---- And that's ______ my concern lies.

A what B which C where D that