1. She asked me if I thought boys were more intelligent than girls.
2. We have learnt English for four years.
3. My homework have been already done.
4. The computer which I bought this morning is new.
5. Minh has collected stamps since 2010.
6. The suspects are being interviewed by the police.
7. Nga said to me that she was going meet her sister in front of the bus stop the following day.
8. A new theater is going to be built.
9. If I had a map, I could show the way.
10. Green trees were planted around the house.
11. Ba asked where the post office was.
12. Unless you have a visa, you can visit Thailand.
13. Bill has lost his bike which he bought last month.
14. He stopped smoking three years ago.
15. This computer is used by my father everyday.
16. Mary, whom I cooked a meal for yesterday, is a vegetarian.
17. The while village was destroyed by the earthquake.
18. Unless we keep the environment clean, we won’t live a happier life.
19. My sister said she was going to watch The voice on TV that night.
20. Thuy asked Ha where she was going on summer holiday that year.