Переделайте в Passive: 1.Molars break the food into the smaller parts, which is their main function.
2. A surgeon is performing the root canal treatment right now.
3. Ancient Greeks and Romans widely practiced prosthodontics, as well as the other techniques.
4. We found numerous references, confirming application of all these techniques.
5. Did Pier Fauchard really dedicated an entire chapter to teeth straightening?

1 . Дэн никогда не сделал ... свою куртку , даже в зимний период . 2. - Что вы так заняты ? - Я делаю ... дом для моего дня рождения . 3. - Would Вам нравится что-нибудь поесть ? - Нет Я не голоден , но я мог бы сделать ... A стакан сока. 4. Мы едим сегодня вечером , и я думаю, что вы должны сделать сам ... . 5. Это не будет легко сделать ... с этим плохо привычка. 6. Не могли бы вы сделать платье ... для меня Я не могу добраться до кнопок . 7. - Вы устали ? - О да. Я могу сделать ... хороший сон ночью. 8. Перед тем, как покинуть кухня это сделать ... , Золушка.

 6. Could you open the door, please? I see girl knocking. 7. Let's make a speech at the reception. 8.The advice you gave me helped a lot. 9. I like to be in the centre of everything. 10. At night I had a terrible headache after I had drunk a lot of wine in the evening. 11.Look cut! There is a dangerous bend in the road. 12. Mrs. Patsy is the last person I'd like to meet. 13. Tom's planning to take a boat to go fishing on Sunday. 14. Could you phone later, please? Kate's having a bath. 15. The
rent is 150 dollars for month. 16. We often go to the theatre and to the cinema, but very rarely to the circus. 17. When their father came home, they had dinner and then watched TV. They went to bed at 11 p.m. 18.What a pity they haven't seen this performance! 19. She can't find a telegram which she received this morning. 20. Are you going to the country for weekend? 21. She usually goes shopping on Thursdays, but last Thursday she didn't do shopping. She had to go to the dentist's. 22. What's a lovely song!
What's a beautiful music! 23. Could you tell me the time, please? - It's a quarter past six. 24. Do you usually go by the train or in the car there?