This is a photo of Mr. Black's family. The man with glasses (眼镜) is Mr. Black, the father. The woman is the mother. They have a son and a daughter. The son is behind(在……后)Mr. Black. His name is Jack. He's fourteen years old. Kate is Jack's sister. She is 12. Jack and Kate are in the same school, but they are in different grades. Jack is in Grade Three and Kate is in Grade One. They are good students.