词汇运用。

1. His left knee was hurt in a t_______ accident.

2. I am a hundred p_______ in agreement with you.

3. I have an a_______ with my doctor this afternoon.

3. The number of population _______ (increasing) quickly.

5. The population of this city _______ (be) not large.

6. Those poor children need somewhere _______ (live).

7. You should protect the children from _______ (catch) cold.  

8. How long does it take you _______ (walk) 50 meters?

9. That easy chair takes up too much _______ (room).