VII.
1. more good-looking
2. more wonderful
3. more slowly
4. happier
5. cheaper
6. more comfortable
7. heavier
8. longer
9. nicer
10. larger
VIII.
1. expensive
2. more important
3. happier
4. stronger
5. more comfortable
6. better
7. more interesting
8. more precious
9. more pleasant
10. weaker
IX.
1. My school is bigger than your school
2. Lan is younger than Hoa.
3. My father is older than my mother.
4. This ruler is longer than that ruler.
5. This room is larger than my room.