IV. Listen to the dialogue and fill in the blanks.
Wang: Xu Benyu is an ordinary person, but he did something great.
Ding: Yes, I agree with you. He used to be a volunteer teacher in a mountain village in Guizhou.
Wang: He lived a hard life at that time.
Ding: Yes, there was not even enough water. Sometimes he had to carry water himself.
Wang: Did he go there alone?
Ding: At first he was alone there. Sometimes he felt very lonely.
Wang: Is the school still in the mountain cave?
Ding: No, they built a new school for the students.
Wang: Great. The students can study in the safe classrooms now.
Ding: What other volunteer work did he do?
Wang: In 2006, after a week’s training, Xu volunteered to teach Chinese in Africa.