=>

8. Graham took us to his office which was filled with books./The office that Graham tooks us to was filled with books.

10. They picked up five boat-loads of refugees, some of which had been at sea for several months.
11. Tom came to the party in patched jeans, which surprised most of the guests.
12. The people whom he was speaking to didn't know French.
13. Mr..Jones, whom I was working for, was very generous about overtime payments.
14. The Roman coins, which a local farmer came across in a field, are now on display in the National Museum.
15. Professor Johnson, whom I have long looked up to, is to visit the University next week.

VII/
1. B -> bỏ there
2. B -> to go to
3. D -> badly destroyed
4. A -> Fortunately
5. B -> among whom
6. A -> mind
7. B -> poisoned
8. B -> so
9. B -> whose
10. A -> x