Change the following sentences into passive voice

1. They have just painted those posters

2.No one took Alice to the comenercial district

3. They didn'tinvite alice to the cantren for lunch

4. The naughty pupiles laughed at the newcomers

5. Nobody has opened this box for along time

6. Did they paint the windows yesterday?

7. Does your child eat that cake?

8. No one has used this house for 3 years

9. The government must solve the unemployment

10. She used to sell vegetables at the market