Page 1:
4. D
5. C
6. D
7. A
8. A
9. D
10. D
11. C
12. C
13. D
14. C( more slowly)
15. A
16. C
17. B
18. A
19. D
20. B
page 2:
Ex2:
1. the cleverest
2. longer
3. the best
4. cleaner
5. more expensive
6. more quickly
7. more dangerous
8. sweeter
9. the most exciting
10. the fastest
11. the most popular
12. closest
13. beautifully / most beautifully
14. hotter
15. worse
16. better
17. big / bigger
18. more difficult / most difficult
19. largest
Ex3:
1. must
2. musn't
3. musn't
4. must
5. must
6. musn't
7. must /must