Chuyển sang câu bị động. 1. Don't let other see you. 2. Before they took exams they had revised their lesson. 3. When he came home, his father was reading a newspaper. 4. They suggested banning advertisements on TV.; 5. When I was 18 years old, my parents did't allow me to go out in the evening. 6. You were wearing your new hat when I met you yesterday. 7. Last Friday when I came to Jane's house, she had finised all exercises. 8. He pu the letter in the drawer, then he locked itup. 9. By the end of this year we will have learnt 2,000 English words. 10.Don't ask for another book until you finish this one. 11. We consider that she is the best singer. 12. Someone saw him pick up the gun. 13. He has caught a lion and shot 2 others. 14. After he had told a story, we clapped our hands. 15. His wife usually brings him sandwiches at lunch time. 16. They were continually asking questions. 17. We have to pick fruit very early in the morning. 18. The light went out while I was making a cup of tea. 19. When she went to Barcelona she learnt some Spanish. 20. When will you do the work? 21. When I came back home my mother was preparing lunch. 22.She used to pull my hat over my eyes. 23.For the past years, I have done all my washing by hand. 24.A pair of robins have built a nest in the porch since last week. 25.The police haven't found the murderer yet. Giúp vs ạ.