35 . change the sentences into the passive voice. 1. they congratulated him on his birthday. 2. she will introduce me to her friend. 3. the doctor has prescribed me some medicines. 4. you must follow your mother's advice. 5. he is repairing his father's car now. 6. our granny helps mother in the kitchen. 7. they were dis- cussing their plans for the future. 8. we helped him to implement his plan. 9. they will adopt a child next month. 10. she takes good care of her little sister. 11. a quarrel can't break up a real friendship. 12. she has written an application for this job. 13. they are writing invitations. 14. the quests were singing , la multi ani".

1. He was congratulated on his birthday (by them).

2. I will be introduced to her friend (by her).

3. I was prescribed some medicines by the doctor.

4. Your mother's advice must be followed.

5. His father's car is being repaired now by him.

6. Our mother is helped in the kitchen by our granny.

7. Their plans for the future were being discussed by them.

8. He was helped to implement his plan by us.

9. A child will be adopted next month by them.

10. Good care is taken of her little sister by her.

11. A real friendship can't be broken up by aquarrel.

12. An application for this job has been written by her.

13. Invitations are being written by them.

14. "La multi ani" was being singed by the guests.