Odpowiedź:
1. longest
2. the most interesting
3. more frightening
4. the most boring, most boring
5. narrower
6. more polite
7. more expensive
8. tall
9. more exciting
10. smaller
11. the hottest
12. the slowest, slower
13. fewer
14. the most cleverest
15. more interesting
16. the worst
17. difficult, more difficult
18. harder
19. the most polite
20. comfortable
