1. The office is cleaned every day.
2. How often are these rooms cleaned?
3. Glass is made from sand.
4. The windows are cleaned every two weeks.
5. This room isn't used very much.
6. Are we allowed to park here?
7. How is this word pronounced?
8. The office was cleaned yesterday.
9. The house was painted last month.
10. My phone was stolen a few days ago.
11. Three people were injured in the accident.
12. When was this bridge built?
13. I wasn't woken up by the noise.
14. How were these windows broken?
15. Were you invited to Jon's party last week?