$\text{11.Have the Chirstmas cards been sent to your family?}$

$\text{12.Alice was appointed secretary for the meeting.(by the committee)}$

$\text{13.The broken cup is hidden in the drawer.(by him)}$

$\text{14.This room is kept tidy(by them)all the time.}$

$\text{15.The party was voted a great success.(by them)} $

$\text{16.Ann was given Ann some bananas and some flowers. (by us)} $

$\text{17.he fridge was moved into the living room.(by them)}$

$\text{18.Some cups of tea were bought to the visitors in the next room.(by her)} $

$\text{19.The new project is found worthless.} $

$\text{20.The note wasn't taken to the manager.(by the secretary)}$

11. Have the Christmas cards been sent to your family?

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

13. The broken cup is hiden in the drawer

14. This room is kept tidy all the time

15. The party was all voted a great success

16 An was given some bananas and some flowers

17. The fridge was moved into the living room

18. some cups of tea were bought for the visitors in the next room

19. The new project is found worthless

20.The note weren't taken to the manager by the secretary