1)Look at the man who's talking to your son
2)There are a lot of people who want to spend their holiday at the seaside
3)I read a book which was written by a famous wrter
4)There is a man at the bus stop who has been waiting for an hour
5)She climbed the tree which was full of pears
6)There is a lady in the room whose watch has been stolen
7)I saw a woman whose coat is fashionable
8)The doctor whose telephone number I don't remember is very good
9)The children whom you know their mother are in the playground
10)The room which its door is open is ours