This is Betty’s bedroom. Please come in and have a look at the pictures in the room. Let’s look at the one on the desk first(首先), please. It’s small but very good. It’s a photo of a man, Bob Brown, and a boy, Richard Brown. Mr. Brown is Richard’s father. And Richard is the son of the man. He’s twelve years old and is a middle school student. 
Can you see that big one on the wall? It is a picture of a nice woman, Helen Brown, and a lovely(可爱的)girl, Betty Brown. Helen is Bob’s wife, and she is Betty and Richard’s mother. Betty is young. She’s only six.  
It’s Richard’s bedroom. 
Bob is father of Richard. 
Betty isn’t Richard’s sister. 
Helen Brown has two children. 
Helen has a sister.