, этот сайт последняя надежда

упр 4.

1. is, is

2. is, is

3. is, is

4. are, am

5. am

6. is, is

7. Is, is

8. Are, are, are

9. is, is

10. Are, am

11. Is, is, is

12. Is, is

13. Is, is

14. is

15. is, is

16. is

17. is

18. is

19. is

20. is, are, is, is, is, is, is, is