Change the following sentences into passive voice
Change the following sentences into passive voice.
1. They will send him abroad to study.
2. She used this room.
3. Someone stole my bike yesterday.
4. He received a letter from his parents.
5. She will buy a new house.
6. They aren't building my house.
7. He could solve the math problem easily.
8. I clean the floor every day.
9. My mother bought this dress this morning.
10. She did this exercise two days ago.
11. My mother waters these flowers every morning.
12. They are going to buy this house.
13. He will visit his parents next month.
14. The director didn't phone the secretary this morning.
15. Nam broke the window yesterday morning.
16. They were doing the test at 3 p.m yesterday.
17. Nam invited Hoa to his birthday party last night.
18. Her mother is preparing the dinner in the kitchen.
19. We should clean our teeth twice a day.
20. Our teacher has explained the problem carefully.