英语题目!急!When Mary and Joan got home, it was dark outside. The

英语题目!急!
When Mary and Joan got home, it was dark outside. There was a light inside their home, and the door was open. They could see a man inside. “Who is it?” said Mary. “Mother and father have gone to do some shopping. They will go home at half past seven”
When the man saw Mary, he looked afraid. Then he smiled and said, “Come in! You don’t know me, but I’m your father’s friend. He asked me to get some money for him.” The man did not see Joan.
Mary went inside and began talking to the man. But Joan did not. She quickly but quietly ran off. She soon found a policeman and bright him back to their home. The man was still there, but when he saw the policeman, he tried to run off. The police man took him by the arm. Just then the girls’ parents returned.
“Is this man your friend?” the policeman asked the father. “No! He must be a thief. He wanted to steal my money. I’m glad that you have caught him.”
( ) 1. Mary and Joan were sisters.
( ) 2. They arrived home before their parents went shopping
( ) 3. Joan went in and found the stranger(陌生人)
( ) 4. Mary ran off to call a policeman.
( ) 5. Mary talked to the man to keep him in the home.
( ) 6 Joan was clever and brave.