13. The cats had been fed before she went to the cinema.
14. The pollution problems have been discussed by the students since last week.
15. Has the most valuable painting in the national museum been stolen by the thieves?
16. The new president will be interviewed on TV.
17. How many languages are spoken in Canada?
18. Are those shoes going to be repaired?
19. His nose has been broken in a football match.
20. Have the above sentences been finished by you?
21. When will the work be done by you?
22. How is this problem going to be dealt with?
23. How is this amount of money be spent by you?
24. I wonder whether Susan or Jane will be chosen for the position.
25. How was the lost man found by the police?
