1．A Difficult Question 1
2．The Hole in the Ground 6
3．Quick Thinking 11
4．The New Doctor 17
5．A Cheap Meal 23
6．Not a Small Problem 28
7．The Package 35
8．A Sad Story 40
9．The Best Salesman in the World 46
10．Your Need is Greater Than Mine 52
11．A Very Important Person 57
12．Violin Lessons 63
13．Not So Stupid 69
14．No Elephants 75
15．How Wars Begin 81
Answer Key答案 87