阅读短文，用方框中所给的适当形式填空。方框中有一个是多余的。 work　 trade 　devoted　 good 　well 　old    build     that My name is Li Wei. I am from a worker's family. There are six people in my family. They are my grandfather, my grandmother, my father, my mother, my sister and I. Every member in my family 1_______ for his or her own 2_______. My grandfather and grandmother are farmers. They do farm work every day in my hometown. My father is a senior engineer. He is now working in Africa, helping 3______ a power station. My mother is a teacher. She teaches English in a middle school. My sister, five years 4______ than I, is a doctor in the People's Hospital of our county. She loves her work and does it 5______. I am a middle school student. And I am going to take this year's college entrance examination. I wish 6______ I could be enrolled by a famous university. This is my family. All the members in my family live in harmony. We love each other 7______.