Prenentivf dentistry.. preventive dentistry includes cleaning the teeth, removing plaque, and advising patients how to brush teeth properly and how to use dental loss (a thread which removes food particles trapped between the teeth). studies have shown that tooth decay is decreasing mans countries as a result of preventixe dentistry, inproved dict, dental eare, and the use of fluoride. fluoride a substance which can reduce tooth decav, and can be incorporated in the tooth enamel by taking tablets or drops, or by using a nuoride toothpaste. it occurs naturally in some drinking water but is also added artificially in a ratio of one part per millhon. fecth. thet using braces and the form of treatment known as orthodontics invoives first raving a other devices to straigthen them, 1o even out any gaps, anl to make the teeth. gums and jaws work correctly. задайте 5 вопросов, общий, альтернативный, спец, разделтельный и к подлежащему

Yesterday at oscar ceremony participants of famous reality show «House-2» in order to somehow receive this award, came to the ceremony house and began to cry out sword words, but police reacted fastly and just after a few minutes criminals were caught and sent to jail forever. Actually, celebrities can have a positive influence on youth. In fact, they can serve as role models. But famous singers, actors, and other celebrities like participants of «House-2» can also provide unhealthy examples. In particular, celebrity influence on body image and substance use is often detrimental to teen mental health.

1. You don't have to do this.

2. Where were you supposed to meet him?

3. He probably couldn't come.

4. She shouldn't leave.

5. May I go to the cinema?

6. Could you read this story?

7. He may be asleep now.

8. Has he translated the entire book?

9. Tom won't be able to come tomorrow.

10. You must tell us the truth.

11. It cannot be that he forgot to come.

12. Maybe they've been cleaning the house for three hours.

13. The concert should start in 20 minutes.

14. Perhaps he was there.

Объяснение:

Надеюсь что правильно. Если нет извини