Uzupełnij zdania czasownikami w stronie biernej stosując jeden z czasów przeszłych:

1. ...... (the shelters/build) before the war begun?
2. ...... (our flight/cancel) two hours ago.
3. Last Monday at two p.m. ...... (the show/prepare).
4. Before we arrived, ...... (everything/eat) by the guests.
5. ...... (the bicycle/steal) seven days ago.
6. ...... (the streets/decorate) all night yesterday.
7. Last year, ...... (the trees/cut down) illegally.
8. ...... (everything/change) before I returned from abroad.