用括号中所给词的适当形式填空。
1. Tom is much _____than Sam. ( cool )
2. My hair is a little _____than hers. ( short )
3. Pedro is _____than Paul. ( funny )
4. Li Ping is a little_____than me. ( outgoing )
5. Which is_____ in China, tea or coffee? ( popular)
6. Tina is much_____than Tara. ( athletic )
7. Liu Li is a little_____than her sister. ( quiet )
8. Ruth is_____than any other girl in my class. ( serious )
9. Java has _____ hair than Mary. ( curly )
10. Paul is _____than Pedro. ( thin )