4. I had been living in London for five years when the company I was working for offered me a job in Cyprus.
5. Had already eaten
6. Had they been sailing
7. Was signing
8. Used to respect
9. Did you use to enjoy (cred)
10. Decided
14. Had the thieves been planning
15. Did people use to dance
16. Was writing
17. Had flown
18. Had you been (cred)
19. Was getting
20.he had read