Change the following sentences into the passive: They haven't answered my question yet. They told the new pupil where to sit

Change the following sentences into the passive
1. They haven't answered my question yet.
2. They told the new pupil where to sit.
3.Someone has cleaned all the windows.
4. No one took out the rubbish yesterday.
5. We use 17 muscles to smile.
6. They are going to paint the room blue
7. Did the teacher check Exercise 1?
8. Where do people speak English?