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1. Their friend has been met at the station by my students. 

2. Tom wasn't allowed to take these books home. 

3. Exercises won't be corrected by the teacher tomorrow. 

4. How many trees were cut down ?

5. Many people are attracted by this well - known library. 

6. The meeting was attended by all students. 

7. He is said to be intelligent. 

8. My bike can't be repaired by him.  

9. Tom has been operated by Mary since 10 o'clock. 

10. We have been taught French by Mr. Smith for 2 years. 

11. The children weren't looked after properly by them. 

12. This street wasn't swept last week. 

13. A great deal of tea is drunk in England. 

14. English is spoken all over the world. 

15. 2 poems were being written by Tom. 

16. Her dog is often taken for a walk by her. 

17. I wasn't introduced to her mother .

18. Cows are usually milked twice a day. 

19. He likes to be called "sir".

20. We used to be bidden to talk in class by our teacher. 

21. Don't let yourself be seen. 

22. A large hole was being dug in the ground by workers. 

23. A woman was knocked down in the street by the car. 

24. Grass was being eaten on the meadow by cows. 

25. You will be met at the station by my cousin. 

26. Her own company is being run by her.

27. Umbrellas must be left in the cloakroom by visitors. 

28. We used to be made to clean the house by my mother. 

29. John's homework hasn't been finished. 

30. They suggested that advertisements on TV should be banned.