There are four people in Mary's family—her father, mother, brother and Mary. Her father's name is John Smith. He goes to work at seven o'clock every morning. He is a teacher. Her mother's name is Nancy Smith. She is a policewoman. Her brother is Jack Smith. He is a middle school(中学) student. He goes to school at half past seven. Mary goes to school at a quarter to nine. She is a primary school student.