People in the story/故事中的人物
Places in the story/故事中的地点
Before reading/读前思考
Chapter 1 An important job/一份重要任务
Chapter 2 Finding Sergio/发现塞吉奥
Chapter 3 Watching Sergio/监视塞吉奥
Chapter 4 MeetingtheBigMan/遇见大块头
Chapter 5 Finding Sergio again/再次发现塞吉奥
Chapter 6 Stopping Sergio/阻止塞吉奥
After reading/读后活动
Learning guide/学习指导
Translation/参考译文