Chuyển các câu này sang câu bị động. Làm đúng và nhanh hộ mình ạ 1. Mary types letters to customers in the office every day. 2. His father will help you to repair the car tomorrow. 3. Science and technology have completely changed human life. 4. They are learning English in the room at present. 5. Nothing has changed my mind. 6. No one has told me about it. 7. My students brought the children home yesterday. 8. Somebody has taken some of my books away. 9. They will hold the meeting before May Day. 10. The boys broke the window and took away some pictures. 11. People spend a lot of money on advertising every day. 12. The children looked at the woman with a red hat. 13. They have provided the victims with food and clothing. 14. People speak English in almost every corner of the world. 15. After class, one of the students always erases the chalk board. 16. Do they teach English in this secondary school? 17. Will you invite her to your wedding party next Friday? 18. Has Tom finished the work yet? 19. Did the teacher give some exercises last Saturday? 20. Have they changed the window of the laboratory? 21. Is your sister writing a poem? 22. People don’t eat this type of food in this country.