1. He said that he wanted to become an astronomer.
2. Tickets are sold at the gate of the tourist site.
3. Because of heavy rain, they didn't go camping yesterday.
4/ If you are careful, you will not hurt yourself.
5. If you study hard, you won't go to another class.
6. If I were you, I would recycle these plastic carrier bags.
7. The engine of the car has to be repaired
8. English is spoken all over the world.
9. Some assignments have not been finished yet.
10. If they exercised regularly, their health would be good.
11. I haven't spoken to her for 2 years.
12/ It is important to talk to your family members everyday.
13. She said she was working in a restaurant and she didn't care much about the news.
14. The sights which the man is watching are very splendid.
15. Unless Lan finishes the homework tonight, she won't go to the cinema with me.
16. We have learned English for 5 years/
17. I haven't eaten raw fish since I was in Japan.
18/ She is wearing a hat made by VIet Tien company.
19. The white dress is not as expensive as the black one.