2. There are two doors and three windows
3. My mother is forty years old
4. His sister is an engineer
5. How many desks and benches are there?
6. What does your sister do?
7. His school is in the country.
8. Thu's school is in the city
9. There are forty classrooms in Nam's school
10. Phong's school is small not big
11. What time does your father wake up?
12. Hoa goes to school at 6.45
13. Do you live in the city or the county?