Chuyển câu bị động ----- Nội dung dịch tự động từ ảnh ----- I. Chuyển các câu sau sang câu bị động 1. Mary types letters in the office. 2. His father will help you tomorrow. 3. Science and technology have completely changed human life. 4. Peter broke this bottle. 5. They are learning English in the room. 6. Nothing can change my mind. 7. No one had told me about it. 8. I don't know her telephone number 9. My students will bring the children home. 10. They sent me a present last week.