8. Your brother’s health is not which it used to be.

7.The reason why he was late was because he didn’t catch the early bus.

6. The fact is what he didn’t notice the car until too late.

5. I feel it a terrible thing which my mother should have to toil so endlessly.

4. You must give it back to whomever is the owner of it.

3. We never doubt whether he is honest.

2. Whoever was responsible for the accident is not yet clear.

1. If she comes or　not doesn’t concern me.

10.He had to take a taxi to work _____the bad weather.

A.result in

B.as a result of

9. It is no longer a question now ____man can land on the moon.

A.that　　　　　 B.which　　　　　 C.what　　　　　　　　 D.Whether