1.The boy that you met is our monitor.
2.She is the girl who went with me.
3.The book which I brought from you is missing.
4.This is the hotel that you want to live in.
5.He doesn't like the idea which was made by his mather.
6.Which is the bike that you have lost?
7.I see the girl who has lose the bag.
8.This is all that I know.