III/

1.  Tea can't be made with cold water 

2. All the workers of the plant were being instructed by the chief engineer

3. Some of my books have been taken away

4. The meeting will be held before May Day

5. The engine of the car have been to repair

6. The window was broken and some pictures were taken away by the boys

7. A lot of money is spent on advertising everyday

8. This room may be used for the classroom

9.  A story is going to being told by the teacher

10.  The cake is being cut by Mary with a sharp knife

11. The women was looked by the children with a red hat

12. The victims have been provided with food and clothing

13. The lesson is explainted by the teacher

14. The food is being cooked in the kitchen by Mrs Green 

15. The patients were examined by the doctor

16. That noise was made by these boys

17. English is spoken all over the world

18. He was given back the money by him last Sunday

19. These exercises can't be done by mine quickly

20. The report had been finished by she by noon