1. There are four floors in my school.
2. How many students are there in your school?
3. She went to the post office on foot.
4. Her brother is going to visit Hue tomorrow.
5. What about going to visit Ha Long Bay?
6. Why don't we play soccer?
7. Your school is bigger than my school.
8. The mountains are behind the house.
9. The house is to the right of the well.
10. The board is to the left of the picture.