10. These old pictures won't be hung in the living room.
11. This factory wasn't built by the German during the Secong World War.
12. This house and these cars are going to be painted by the Greaens for Christmas Day.
13. The cats had been fed by Ann before she went to the cinema.
14. The pollution problem has been discussed by the students since last week.
15. The most valuable painting has been stolen in the national museum by the thieves.
16. The new president will be interviewed by some people on TV.
17. How many languages are spoken in Canada?
18. Are these shoes going to be repaired?
19. His nose has been broken in a football match.
20. Have the above sentences been finished?
Ex4.
1. I am brought this dish by the waiter.
2. These postcards are sent to us by our friends.