4complete the sentences with words from exercise 1.
1 your children are your sons and daughters.
2 your parents are your mother and
3 your grandparents are your and
4 your grandchildren are your s and s.
5 a twin is a or the same age as you.
6 your great-grandparents are your_ _'s or
parents.
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1. Potatoes were bought yesterday.

2. The books will be brought tomorrow.

3. The clock is being repaired now.

4. Milk is sold in this shop.

5. The whole text has been translated.

6. A lot of money was stolen from the shop.

7. By six o'clock the work had been finished.

8. At twelve o'clock the trucks were being loaded.

9. By three o'clock the trucks had been loaded.

10. Our daughter is sent to rest in the south every year.

11. This film will be shown on TV.

12. A new concert hall is being built in our street.

13. The window was broken last week.

14. When I came home, the sweets had been eaten.

15. The work will be done in the evening.

16. This book was written in the 19th century.

17. Tennis was being played.from four till five.

18. The number of important experiments have been made in this laboratory.

19. Central Africa was explored by Livingstone in the 19th century.

20. By the middle of autumn all the trees had been planted.

21. This play will be staged at the beginning of next season.

22. The story has been forgotten.

23. Have the rules of the game been explained to you?

24. My skates haven't been brought back.

25. Corrections are usually made in red ink.

Объяснение:

Seagulls are one of the most famous types of birds, because they are usually can be seen on many beaches on rivers, and lakes, and seas where people gather. there are about sixty different kinds of gulls. gulls are the birds with a complex social organization. all year round they keep in a flock and between them there has developed a complex system of communication links. the sizes of the gulls are also very different. there are kinds of very small birds like a dove, and other species are as big as a goose. they are mostly white in colour; the head is usually black or brown. gulls feed on animal food, which is in the water and on land. they can eat grasshoppers or beetles, escorting tractors in the fields. in certain situations, they can eat small rodents and even squirrels. but mostly gulls eat fish. they swallow it sitting on the water, or grabbing on the fly. they live from 15 to 20 years. to conclude, gulls are beautiful birds and they are a fine ornament of our nature.   чайки-одни из самых известных птиц, потому что их, как правило, можно увидеть на многих пляжах на реках, и озерах, и морях, где собираются люди. существует около шестидесяти различных видов чаек. чайки птицы со сложной социальной организацией. круглый год они держатся в стае, и между ними сложилась сложная система коммуникационных связей. размеры чаек тоже разные. есть несколько видов мелких птиц, как голубь, и других видов, размером с  гуся. они в основном белого цвета, но голова обычно черная или коричневая. чайки питаются животной пищей, которая находится в воде и на суше. они могут есть кузнечиков или жуков, сопровождая трактора на полях. в определенных ситуациях, они могут питаться мелкими грызунами и даже белками. но в основном чайки едят рыбу. они глотают её, сидя на воде, или хватая на лету. они живут от 15 до 20 лет. в заключение, чайки, красивые птицы и они являются прекрасным украшением нашей природы.