14. quieter
17. better/better
18. further
19. stronger
20. the most popular
III
1. more fluently
2. more uncomfortable
3. more angry
4. more selfish
5. thinner
6. more complex
7. faster
8. more enthusiastic
9. better
10. more discouraged
11. more difficult
12. more expensive
13. more famous
14. less
15. more gently
16. farther
17. less
18. finer
19. healthier
20. busier
