Chuyển những câu dưới đây sang câu bị động - Bài tập tổng hợp,
1. You must write these music lessons in ink. _______________________________________________________________
2. You can use bicycles for short journey in this city. _______________________________________________________________
3. Many people have seen UFOs several times recently. _______________________________________________________________
4. They don't allow us to walk on the grass. _______________________________________________________________
5. You can download this software from the internet. _______________________________________________________________
6. We may find a lot of mountains on Mars. _______________________________________________________________
7. When will your mother give you a new laptop? _______________________________________________________________
8. Tuan's parents sent him to a high quality school last year. _______________________________________________________________
9. Jane is going to hold a house - warming party this weekend. _______________________________________________________________
10. Do they put garbage bins along the streets in your town? _______________________________________________________________
11. They are building a factory to recycle waste paper in this city. _______________________________________________________________
12. Were you checking your mails when the light went out? _______________________________________________________________
13. I have left some books on that table but I can't find them now. _______________________________________________________________
14. What should students do to stop pollution around their schools? _______________________________________________________________
15. We will plant many trees around our school to get more shade. _______________________________________________________________
16. People can store a lot of information in a small USB. _______________________________________________________________
17. Who often looks after your children at the weekend? _______________________________________________________________
18. The teacher may punish him for talking in the class. _______________________________________________________________
19. Someone has stolen her motorbike.
_______________________________________________________________
20. No one could use this machine without careful instructions. _______________________________________________________________