I. 1. most famous
2. the highest
3. more useful
4. prettier
5. more difficult
6. nicer
7. heavier
8. longer
9. the shortest
10. as pretty as
11. more important
12. more beautiful
13. happier
14. more comfortable
15. better
16. most delightful
17. most careful
18. worse
II.
1. Mary isn't as intelligent as Helen.
2. Ha Noi isn't as big as London.
3 → 5: Viết lại theo cấu trúc so sánh không ngang bằng như 2 câu trên.
6. That colour TV is worse than this one.
7. That book is more intersting than this one.
8. Jack is more careful than Peter.
9 → 11: Viết lại theo cấu trúc so sánh hơn như câu 6, 7, 8.
12. I can drive more carefully than them.
13. He can do the exercise better than her.
14. Nam is the best at studying in my class.
