Using :WHO, WHOM, WHOSE, WHICH  or THAT : 
1.    The man works in the hospital. I told you about him. 
2.    I talked to a woman. Her car had broken down on the way to the party.
3.    The student is from china. He sits next to me.    .................................................................................
4.    I saw a lot of people and horses. They went to market................................................................................
5.    The girl is happy. She won the race.                    ...................................................................................
6.    Please post these letters. I wrote them this morning. …………………………........................
7.    The man called the police. His wallet was stolen. ....................................................................................
8.    It is the best book. I have ever read it.                  .................................................................................
9.    The house has been rebuilt recently. We were born in it.…………….....................................................
10.    That is the girl. I spoke to her last night.       ......................................................................................
11.    The student is my brother. His shirt is blue.  .............................................................................
12.    She talked to the boy. We met him in the zoo. .............................................................................
13.    We meet the man. He is a professor.             …................................................................................
14.    The teacher was angry. The students didn’t pay attention to his lesson.
15.    Aunt Joan didn’t hear the phone. She is a bit deaf.-->………………………....................................................