Xiaoyong's grandfather was a policeman before. His grandmother was doctor. His father was an English teacher before. Now he is a policeman. His mother was a worker before. Now she is a nurse. Fanfan's grandfather was a teacher. Her grandmother was a writer. Her father was a fireman before. Now he is a bus driver. Her mother was a farmer. Now she is a flute player. She played Chinese music.
1、What was Xiaoyong's grandfather ? ( )