II.
11. B (whom → who)
12. C (who's → whose)
13. B (who → whose)
14. B (that → which)
15. A (whom → who)
III.
16. Let me see the letter which you have written.
17. Is there anyone that can help me do this?
18. Mr. Brown, who is only 34, is the director of this company.
19. I know a place where roses grow in abundance.
20. It was the nurse _____that____ told me to come in.
21. The teacher with _____whom____ we studied last year no longer teaches in ourschool.
22. They showed me the hospital ____whose_____ buildings had been destroyed by USbombings.
23. We saw many soldiers and tanks ____that_____ were moving to the front.