Exercise 4: 1. the cleverest (so sánh nhất)

2. longer (so sánh hơn)

3. the best (so sánh nhất)

4. cleaner (so sánh hơn)

5. more expensive (so sánh hơn)

6. the quickest (so sánh nhất)

7. more dangerous (so sánh hơn)

8. sweet (so sánh hơn)

9. the most exciting (so sánh nhất)

10. the fastest (so sánh nhất)

11. the most popular (so sánh nhất)

12. the closest (so sánh nhất)

13. beautiful/ most beautiful (so sánh bằng/ so sánh nhất)

14. hotter (so sánh hơn)

15. worse (so sánh hơn)

16. better (so sánh hơn)

17. big/ bigger (giữ nguyên/ so sánh hơn)

18. more difficult/ most difficult (so sánh hơn/ so sánh nhất)

19. largest (so sánh nhất)

1. the cleverest 

2. longer 

3. the best 

4. cleaner

5. more expensive 

6. more quickly 

7. more dangerous 

8. more sweetly 

9. the most exciting 

10. the fastest 

11. the most popular 

12. the closest

13. beautifully- most beautifully 

14. hotter 

15. worse

16. better 

17. big- the biggest

18. more difficult- the most difficult 

19. largest