This is a photo of Mrs. 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 Mr. Black. His name is Jack. He's 15. Kate is Jack's sister. She is 13. Jack and Kate are in the same school. But they are in different grades. Jack is in Grade Nine and Kate's in Grade Seven. They are good students.