l. 1. who
2. which
3. who
4. which
5. that
6. that
7. whose
8. which
9. whom
10. that
11. who
12. which
13. whom
14. where
15. when
16. whose
17. where
18. that
19. whose
20. that
ll. 1.this is the student whom ...
2. the schoolyard where we used to play on was ...
3. they are talking about the clowns who made ...
4. i was sitting on the chair which suddenly ...
5. the city where we spent our holiday was ...
6. May Day is the day when we will come on.
7. i saw some houses which were ...
8. you never tell me the thing that you know.
9. the roof of the car where the car broken down was ...
10. do you know the ...
