1.John is a very kind-hearted man that you can turn to him for help
2.The book which I am very interested in is written by that famous writer.
3.Tom is the boy whom I went to the cinema together.
4.Do you remember the factory in which we worked last year?
5.This is the diamond necklace on which I spent all my money .
6..The classroom will soon be repaired whose door is broken .
8.Linda goes to a table tennis club with the girl whose mother is a teacher.