1.câu này bạn chụp thiếu rồi 

2.These postcards are sent to us by our friends

3.This cake was baked by Jim yesterday

4.A new apartment is going to be bought by them next year

5.A ride to school will be given Anna by Tom tomorrow

6.This room is kept tidy all the time

7.Ann was given some bananas and some flowers by us

8.The fridge was moved into the living room by them

9. The English grammar has been explained by our teacher

10.Our teeth should be cleaned twice a day

11.The cats had been fed by Ann before she went to the cinema

12.The dinner is being prepared by her mother in the kitchen

13.An impotant report was being written 

14.The dishes had been washed by Hoa

15.This movie had been seen by us before Nina called

Nè bạn :3

(Câu 1 bạn chụp bị thiếu nên chỗ ba chấm đó bạn bổ sung hộ mình nha :3)