Change into passive voice :
1.The children have broken the window.
2.I will have my car sold.
3.The boy laughed at the beggar.
4.Stella will invite Rita.
5.We were making a strange discovery.
6.Did you complete your assignments?
7.We hold staff meetings in this room.
8.The Vice-Principal uses the big office.
9.The store was selling kites.
10.Last night, the police caught a gang of thieves.
11.He hid his toys under the bed.
12.We will play the match tomorrow. ​