Zmień zdania używając strony biernej.

1. I have returned all the books to the library.
2. They cancelled all flights because of the fog.
3. You must pay the bill immediately.
4. My teacher corrects the tests at the weekends.
5. Nobody should invite Brian to the party. Brain...
6. Who discovered America?
7. Some new students make a lot of mistakes.
8. He was slowly preparing dinner.
9. The waitress serves breakfast at 7.
10. The judge will announce the verdict tomorrow.