Odpowiedź:
1 The school canteen is cleaned once a day. (clean)
2 Film stars are asked many questions by reporters. (ask)
3 In this office, many emails are written every day. (write)
4 School uniforms are worn in the UK. (wear)
5 Many people are invited to Tom's birthday party every year. (invite)
6 Food is served in restaurants. (serve)
Wyjaśnienie: