用括号内形容词或副词的适当形式填空。 1. His mother is as _____ (serious) as his Chinese teacher. 2. Whose hair is _____ (long), yours or mine? 3. Tom talks _____ (much) than any other student in his class. 4. Ann is much _____ (good) than I at English. 5. Li Ping is the _____ (thin) of the two boys. 6. Miss Yang is one of the _____ (popular) teachers in our school. 7. Maggie is the _____ (careful) in her class. She is the top student in her class. 8. Which is the _____ (big), the sun, the moon or the earth? 9. My younger sister does _____ (little) work in my family. 10. The busier he is, the _____ (happy) he feels.