Odpowiedź:
1. Passive: An eco-friendly festival is organised by Joe every year.
2. Active: This year, the visitors caused some big problems.
3. Passive: A lot of rubbish was left by the visitors.
4. Active: The visitors didn't use public transport.
5. Passive: A lot of greenhouse gases were produced by the festival.
6. Active: The town council will send all the rubbish to landfills.
7. Passive: Next year, a better festival will be organised by Joe.
Powinno być dobrze. W razie czego, bardzo proszę o poprawienie. Pozdrawiam ;)
