1. There are nine hundred students in the school.
2. There is a book in the desk.
3. My classroom is on the second floor.
4. Do you do housework every day?
5. I have classes from a quarter past seven to eleven. (is phải sửa thành I thì mới làm được)
6. I go to bed at 10 o'clock
7. We have history on Tuesday.
8. Does Lan have Math on Friday?