根据句意用方框内词的适当形式填空。

heavy, outgoing,  funny,  popular, athletic,  useful,

beautiful,  friendly,  cheap, intellectual  

1. You should study English.I think it is_____.

2. An elephant is much           than a tiger.

3. My cousin is good at his schoolwork. He is _____.

4. My friend Tim plays basketball every day! He is_____than me.

5. Molly is always ready to help others.  She is quite_____  

6. This T-shirt is too expensive.  Do you have a _____ one?

7. Mary likes students and teaches well. She is_____in our school.

8. Tom and Peter are twin brothers. In some ways they are different. Tom is quieter, but Peter is _____

9. Tony is_____than any other student in our class.  He always makes us laugh.

10.I hope my country is getting more and_____.