Ex1: Fill in the blank with the correct relative pronoun.
1. There are eighteen different kinds of penguins ______ live south of the equator.
2. Thank you very much for the present ______ you sent me.
3. This is Mrs. Jones, ______ son won the championship last year.
4. His girlfriend, ______ he trusted absolutely, turned out to be an enemy spy.
5. The bus crashed into a queue of people, four of _______ were killed.
6. A man bought in a little girl, ______ hand was cut by flying glass.
7. Mary, ______ boyfriend didn’t turn up, ended by having lunch with Peter.
8. He paid me $5 for cleaning ten windows, most of _______ hadn’t been cleaned for at least a year.
9. In prison they fed us on dry bread, most of ______ was moldy.
10. The chair in _____ I was sitting suddenly collapsed.
11. The bed ______ I slept on has no mattress.
12. The man _______ I was waiting for didn’t turn up.
13. The student with ________ she was dancing had a slight limb.