1. c
2. b
3. c
4. a
5. b
6. a
7. a
8. a
9. c
10. c
11. a
12. b
13. c
14. a
II.
1. Our school has fifty teachers.
2. We must do homework before going to school.
3. Shall we go to "Chua Cau?
4. Mai is taller than Lan,
5. Fansipan is the highest mountain in Viet NAm
6. The Mekong RIver is not as long as The Amazon River.
7. We mustn't write on the walls or tables in our classroom.
8. Hoa is the biggest of