IV. Change these sentences into passive voice:
1. They sell cold drinks here.
2. She carries a heavy box.
3. She finishes her homework after school.
4. Some schoolgirls wear nics uniforms
5. We sell tickers for all shows at the box office.
6. I. sometimes meet them at midnight on the street.
7. Someone cleans the room everyday.
8. John often collects me at the airport.
9. Your teacher signs this form.
10. Nobody solves this hard problem.
11. They cut the grass in the garden every month.
12. They don't pick up the apples in August.
They pick them up in October.
13. They deliver our newspapers every morning.
14. The student put up the tent in the rain.
15. Tom watches a film at 8 p.m every evening.
16. How do people learn languages?
17. We don't wear jeans at school.
18. People celebrate May Day every year.
19. They feed dogs and cats every day.
20. The cats eat the fish.