Odpowiedź:
1. She emptied the whole bottle. The whole bottle was emptied (by her).
2. Chris has just cleaned my room and watered the flowers. My room has just been cleaned and the flowers have been watered (by Chris).
3. Why is he keeping your watch? Why is your watch being kept by him?
4. G. Bell invented the telephone. The telephone was invented by G. Bell.
5. They are repairing my car now. My car is being repaired now (by them).
6. You must not keep dogs in this flat. Dogs must not be kept in this flat (by you).
7. I have warned her. She has been warned (by me).
8. He uses this pen only on special occasions. This pen is used (by him) only on special occasions.
9. You should not iron these curtains. These curtains should not be ironed (by you).
10. They were laughing at him all the time. He was being laughed all the time (by them).
11. They printed this book in Poland. This book was printed in Poland (by them).
12. Has she bought the flowers yet? Have the flowers been bought (by her) yet?
13. Ann chose the blue jacket. The blue jacket was chosen (by Ann).
14. Someone turned on the radio. The radio was turned on (by someone).
15. They make these toys of plastic. These toys are made of plastic (by them).