1. There are 30 rooms in our hotel.

2. Mr. Ha and Mrs. Thuy travel to Ha Noi by plane.

3. How old is this building?

4. Mrs. Thuy is Trang' mother.

5. How much is this book?

6. Hang alwaus gets up at 5.30 and she usually goes to school on foot at 6.30

7. There are over eight hundred pupils in my school.

8. Those are Lan's pencils.

9. My mother is traveling to work by car now.

10. These exercises are too difficult for me to do.

11. The lake is behind the stadium.

12. Hung is taller than Nam.

13. Mrs. Hanh is Huong's mother.

14. Minh is the tallest student in his class.

15. Mr. John oftens gets up at a quater to six in the morning.

16.1. I go to school at half past ten.

16.2 She goes to work at a quater to eight.

17. Lan and Ba go to school at past one.

18. Nam is the tallest student in our class.

19. My family has five people.