There was a rich man. He had only a son. He loved his son very much. When the son grew up, he made friends with some 1 kids. He developed many bad habits. He began to smoke and didn’t go to school. He hung out with his “friends” on the street all day. The man was very 2 about the bad habits of his son. He tried his best to 3 his bad habits but he could not succeed. One day he thought of a 4 to teach his son a lesson. He went to the store and bought some 5 apples and a rotten (腐烂的) one. He came back to his home and 6 his son. He asked his son to put all the apples along with the rotten one in a box. The son 7 so. After some days the father asked his son to bring the apples. As he 8 the box, he was surprised to see all apples had become rotten. He felt 9 . He father told him how one rotten apple had influenced all the 10 . In the same way one bad friend could influenced all others. The son listened to his father’s advice. He gave up bad habits and became good again.