聽短文，回答問題。
（1）What did Mrs.Li do one summer afternoon？
A.She went to a supermarket.
B.She went to the cinema.
C.She went to sell ice creams.
（2）Why did Mrs.Li want to buy an ice cream？
A.She felt hot.
B.She felt hungry.
C.She felt cold.
（3）Who was selling cold drinks？
A.Mr.Lee.
B.A boy.
C.A girl.
（4）How much does an ice cream cost in the story？
A.One dollar.
B.Two dollars.
C.Three dollars.
（5）Why did Mrs.Li pay one dollar for the boy？
A.Because she knew the boy well.
B.Because she was the boy's mother.
C.Because she thought the boy was funny.