đáp án : 

1. English is spoken everywhere 

2. Was she given a lot of special presents on her birthday by her friends?

3. A lot of film were seen last night ( By us) 

4. The house was built in 2000

5. I was told to wait by the nurse

6. I was taken to another room by the nurse 

7. The dog was hit by the car

8. Are you understood in the class ?

9. The food will be prepared by my mother 

10. English is spoken in most international conferences 

11. Cheese is made from milk 

12. the grass is cut once a week 

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17.  English is spoken everywhere.

18. Was she given a lot of special presents on her birthday by her friends?

19. A lot of films were seen by us last night .

20.The house was built in 2000.

21. I was told to wait by the nurse.

22. I was taken to another room by the nurse.

23. The dog was hit by the car.

24. Are you understood in the class ? 

25. The food will be prepared by my mother.

26. English is spoken in most international conferences.

27. Cheese is made from milk.

28. The grass is cut once a week.