18. A narrower

19. C more carefully than

20. B the coldest

III/ Give the correct form of adjectives and adverbs in brackets.

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. the closet

13. beautifully/most beautifully

14. hotter

15. worse

16. better

17. big/bigger

18. largest

IV/ Rewrite

1. Her new house is smaller than her old one.

18. A

19. C

20. B 

III/ 

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. the closet

13. beautifully/most beautifully

14. hotter

15. worse

16. better

17. big/bigger

18. largest

IV/ 

1. Her new house is smaller than her old one.

Good luck !
@Jimmykoduvn