6.,The book which you gave to me yesterday is interesting.
7. we saw some people whose car was broken.
8. Do you know the man who is talking to Lan?
9. This is the picture which I took when I was in Dalat.
10. He is the man whom my brother bought a new bike.
11. Ba who has won the firt price is my friend.
Done all.

Confirm
1. Tom saw the clowns whom he like very much.
3. The person whom you saw last night lives next to me.