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1. We had a river to swim in. 
2. Here are some accounts for you to check.
3. Tom was the last student to be interviewed.
4. We visited Hanoi, the capital of VN.
5. My father, a pilot, often goes abroad. 
6. I was the only one to realize him.
7. I have some homework to do tonight.
8. Our solar system is in a galaxy called the Milky Way.
9. I was awakened by the sound of a laughter coming from the room next to mine at the hotel.
10. There are six reports to by typed today.
11. Dalat, best known for foreign travellers, has pleasant weather.
12. Animals born in a zoo generally adjust to captivity better than those captured in the wild.
13. Few tourists ever see a jaguar, a spotted wild cat that is native to tropical America.
14. She is the only woman to be appointed to the abroad.
15. The floor is dusty but I haven't got a brush to sweep with.

16. The person serving in a shop is called a shop assistant.
17. John, my friend, has studied English for ten years.
18. There are many exercises for us to finish before school.
19. The mistakes for you to correct are very important.
20. We have a few exercises to do.