用所给单词的适当形式填空。

1. These shoes are much too __  __ (big) for me.

2. It is very ____ (important) for us to learn maths well.

3. Now John works ___ _ (careful) than before. His parents are proud of him.

4. Things are much ____  (light) on the moon than onthe earth.

5. Our school is more _____ (beauty) than yours.

6. I think apples are ____  (delicious) of all the fruits.

7. China has ____  (large) population in the world.

8. Pearl River is one of the longest           (river) in China.

9. The Yellow River is the ____  (two) ____ (long) river in our country.

10. Edison was a great ____  (invent). He ____ (invent) so many ____   (invent) since he was a child.