Перевести, : human beings are 70% water.with some people, the rest is collagen.

Человеческие существа-это 70% воды.с некоторыми людьми,остальное коллагена 

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Объяснение:

1. I have already done my homework

2. By this time next week Bill will has passed the exam

3. I hope it will has stopped snowing before we have to go

4. I phoned  to my friend to find out if he had come home

5. Autumn has come. It is October now

6. The film had started when we came to the cinema

7. The play hadn't started before we get to the theatre

8. She told me she has worked in France before

9. When I arrived at the airport i realized that I had forgotten my passport

10. My parents won't have bought a new car by the end of the week

11. Ben hasn't written the dictation yet

12. When mother came, my sister  had already done her homework

13. After Jack had found his keys he went for a walk

14. Have you ever been to Kazan?

15. The Greens will have finished repairing their flat before summer

16. pablo

Объяснение:

6. Could you tell me why do you look so upset?

7. I'm sorry that I couldn't meet her after classes.

8. I don't know why they have not kept their promise to

take us with them.

9. Why haven't you said that we must translate the whole

article?

10. We were told that our parents will come back on

Saturday.

11. He asked me how I feel about going to school.

12. He said that he thought it is rather silly idea and he was not

going to take part in it.

13. Do you know if Jane received a letter from her

American pen-pal?

14. Didn't you know that they left for London?

15. He asked me if I would go back there next year.

16. They asked him what he wants.

17. He said that penguins can swim.

18. He asked her at which hotel she was going to stay at.

19. Can you tell me is there a cafe near?

20. I had no idea whose book that was.