write the sentences in passive or active voice.
1. Sylvia (to cook) a meal when I arrived.
2. A postcard to my father (to write)
3. Some advice (to give) by the doctor.
4. A bracelet (to steal) when I entered the shop.
5. Peter (to eat) an apple with Claudia, his girlfriend.
6. The room (to clean) before the students went in.
7. My mother (to smoke) a cigarette when I had my accident.
8. Some tragic news (to give) by regional TV.
9. Anna (to open) the door when I arrived.
10. You (to do) your homework when somebody knocked at the door.
11. A lot of money (spend) on education.
12. Now many buildings (build) in our city.