V. Put these sentences into the passive form. 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. ........................................................................