Look at the photos(照片) of the Green's family. The boy in the black trousers is Mike Green. He is a middle school student. He is fourteen years old. The girl in a red skirt is Ann Green. She is twelve. She 's Mike's sister. His mother is in dark blue shoes. She is thirty-seven. Mr. Green is Mike's father. He is a policeman. He is forty. He's in a white shirt. They are friendly(友好的). They have a happy(幸福的) family.