1. c
2. b
3. a
4. a
5. b
6. b
7. a
8. b
9. a
10. b
11. c
12. b
13. b
14. a
15. b
80.1
2 mine
3ours
4hers
5theirs
6yours
7mine
8his
80.2
2yours
3my///mine
4yours///mine
5her
6my///hers
7their
8ours
80.3
3of hers
4friends of theirs
5friend of mine
6friend of his
7friends of mine
I like to play footbal because is my hobby. Footbal is a very nais hobby. Foorbal is a jimnastik. I like my hobby
вроде так
заранее извиняюсь, что нет заглавных букв
10. С
11. С
12. D
13. D
14. B
15. D (странная загадка)
16. А
17. С
18. А
19. С
20. D
21. D
22. A C D E
23. D
24. A, C
25. B C D E
26. C D
27. B D E
28. C
29. B
30. D