11. The first prize was awarded to the reporter by the board  

12.Alice's secretary was appointed for the meeting by the committee. 

13.The party was all voted a great success by them. 

14.Ann was given some banana and some flowers by us. 

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

16.Some cups of tea were bought for the visitors in the next room by her. 

17.The note wasn't taken to the manager by the secretary. 

18.Fiona was invited to John's birthday party last night by him. 

19.The accidents were caused by some drunk drivers in this city. 

20.Tom's parent will be visited by him next  month. 

11. The first to the reporter was awarded by the board.
12. Alice's secretary was appointed by the committee of the meeting. 
13.  A great success was voted the party. 
14. An was given some bananas and some flowers. 
15. The fridge was moved into the living room. 
16. Some cups of tea were bought for the visitors in the next room.
17. The note to the manager was taken by the secretary.
18. Fiona was invited to Jonh's birthday party by John last night.
19. Caused the accident was driven by some drunk in this city.
20. His parents will be visited by Tom next month. 
* có một số cái mk ko viết by bởi vì mấy cái chủ ngữ như people, they ko cần thiết *