【正文】
_ A. He went to university] B. He worked as a doctor. C. He worked as a teacher. 2. How long has Li Nan worked as a volunteer in Inner Mongolia? A. For four ye ars. B. Since he graduated from Zhejiang University. C. Two years ago 3. Match the words on the left with their definitions on the right. ____graduated A. independent, selfgoverning ____autonomous B. friendly, kind and always willing to help