Change these sentences into passive forms :
1.They can't make tea with cold water.
->...................................
2.The chief engineer was instructing all the workers of the plant .
->...............................
3.Somebody has taken some of my books away.
->....................................
4.They will hold the meeting before May Day.
-......................................
5.They have to repair the engine of the car
->..........................
6.The boys broke the window and took away some pictures.
->.............................
7.People spend a lot of money on advertising everyday.
-...............................................
8.They may use this room for the classroom
-.........................
9.The teacher is going to tell a story.
-................................
10.Mary is cutting the cake with a sharp knife.
-............................................