一、写出以下各形容词的比较级和最高级：
1. nice ____________ 2. fat _____________ 3. slow _________
4. dry ___________ 5. happy ____________ 6. wet __________
7. much __________ 8. ill ____________9. little ___________
10. bad ___________11. thin ___________ 12. far ____________
13. early __________ 14. careful____________
15. exciting ___________ 16. busy ___________
