1. There are eighteen different kinds of penguins ___which___ live south of the equator.
2. Thank you very much for the present ___which___ you sent me.
3. This is Mrs. Jones, ___whose___ son won the championship last year.
4. His girlfriend, __whom____ he trusted absolutely, turned out to be an enemy spy.
5. The bus crashed into a queue of people, four of ___whom____ were killed.
6. A man bought in a little girl, ___whose___ hand was cut by flying glass.
7. Mary, __whose____ boyfriend didn't turn up, ended by having lunch with Peter.
8. He paid me $5 for cleaning ten windows, most of ___which____ hadn't been cleaned for at least a year.
11. The bed ____which__ I slept on has no mattress.
9. In prison they fed us on dry bread, most of ___which___ was moldy.
10. The chair in _which____ I was sitting suddenly collapsed.
12. The man ____whom___ I was waiting for didn't turn up.
13. The student with ___whom_____ she was dancing had a slight limb.