1. Yesterday, I spent two hours doing the homework.
2. I bought this dictionary in Hanoi in 2009.
3. Two hours ago, Mrs. Brown had Alice take her son to the school.
4. How many times have you been to Ho Chi Minh City?
5. The moon moves around the earth.
6. Next summer, my parents will let me visit my grandfather.
7. How about going to the zoo? 9. He has lived in this city since 2000.
10. The man sitting next to me was very nervous.
11. If she gets up early, she won't be late for class.
12. We are learning French grammar at present.
13. Nam must do the homework himself.
14. The price is becoming more and more expensive these days.
15. It's ten years since I last saw her.
16. Don't forget to lock the door before going to bed.
17. The pens produced by Thien Long Company are usually cheap and good.
18. Does the film begin at 7.30 or 8.00?
20. He has lived in this city since 2000.
22. He goes walking every day to be healthy.
23. If we meet at 9:30, we will have plenty of time.
24. Unless you study harder, you will not pass the final exam.