用所给词的适当形式完成句子。

1. I think camping can make us happier than _____ (ski).

2. Betty is _____ (thin) than me, I think.

3. Lisa is a top student. She always answers the questions _____ (correct).

4. Peter drew _____ (bad) in the drawing competition.

5. The funny film made us very _____ (excite).

6. Do you know the _____ (high) of a giraffe?

7. Beijing is one of _____ (large) cities in the world.

8. She is one of the best _____ (sing) in China.

9. He is from Britain. He is a _____ (Britain) boy.

10. After having Home Economics, I know how to cook healthy and _____ (taste) meals.