X.
1. It's 6:30
2. Mr.Lien is Nam's mother.
3. Mr Lam is Nam's mother.
4. Long is Hoa's brother.
5. Mai is Trung's sister.
6. The house is in front of the tall trees.
7. There are nineteen classrooms in my school.
8. My class has forty students.
9. It's a small table.
10. They are big rooms.
XI.
1. What
2. musician
3. engineer
4. buildings
5. grows
6. Could
7. from
8. station
9. How
10. traffic
XII.
1. station
2. boat
3. motorbike
4. post office
5. plane
6. bus
7. coach
8. park
9. allergy
11. pilot
12. story
14. engineer
15. scared
16. patient
17. hospital
18. spaceship
19. grow up
20. leave