----- Nội dung dịch tự động từ ảnh ----- I. Change the sentences into passive. 1. The dentist pulled out my tooth. 2. The police are questioning him now. 3. The teacher has sent him out of the classroom. 4. The mayor will open the new sports centre next month. 5. Many parents influence their children strongly. 6. They kill elephants for ivory. 7. People cut down a lot of trees every year. 8. The government will introduce new measures against crime. 9. They are building the bridge at the moment. 10. The president will give a speech next Monday. 11. They are serving dinner now. 12. They check every passenger. 13. The women clean the school every day. 14. Somebody has collected this garbage. 15. The police caught the criminals.