Who, What, Which, Where...

The answers to the questions above are as follows:

1. c (what)

2. b (who)

3. b (why)

4. d (whose)

5. c (that)

6. a (what)

7. d (what)

8. a (who)

9. c (which)

10. b (which)

11. d (where)

12. b (when)