1. A large number of mouths must be fed in those less d________ countries.
10. Hainan is a very large island. It’s the second ________ (large) island in China.
9. The earth we live on is _______ (big) than the moon.
8. It’s snowing hard. You must drive ________(careful).
7. Allie asked me ______ (polite) to put the things away.
6. To our surprise, he suddenly returned on a cold ______ (snow) night.
5. A lot Chinese people are _______ (pride) of Yao Ming, a famous basketball star in NBA.
4. She is ______ (good) than Li Ping at swimming.
3. He put on his coat and went out ________ (quick).
2. Mobile phones are _________ (wide) used in most of the cities in China.