Переделать в Passive

1. My father built this cottage.
2. Do Beginners use that computer?
3. Somebody is opening the window now.
4. We sold the last French text -book.
5. People all over Russia watch the news.
6. The moonlight lit everything in the room.
7. Don’t worry, we shall settle your problems.
8. Have we just sent for the doctor?
9. The Semyenovs don’t use this room very often.
10. Thomas Coryate brought forks from Italy to England.
11. He has just repaired his car.
12. Somebody addressed the letter to the wrong person.
13. IS The secretary still typing the letter.
14. Mum cut the meat and chopped it.
15. Snow covered everything.
16. Did they colour that picture?
17. He described his new flat for me.
18. Our chief offered me a day- off.