Odpowiedź:
1 Was 'Mona Lisa' painted by Leonardo da Vinci?
2 A thief was caught by a police officer yesterday.
3 A lot of presents were given me by my friends for my last birthday.
4 A class trip to the mountains wasn't organised by our teacher.
5 Coca Cola first was produced in the USA.
6 Were twenty patients examined by the doctor yesterday?
7 A new road was built in my city last year.
8 The cookies weren't eaten by John.
