15. B later
16. B used to
17. A was using
18. C have had
19. C This
20. A unemployed
Объяснение:
15b,16c,17c,18a,19c,20a
вроде бы так
15. B later
16. B used to
17. A was using
18. C have had
19. C This
20. A unemployed
Объяснение:
15b,16c,17c,18a,19c,20a
вроде бы так