单项选择题

Questions 19 to 21 are based on the conversation you have just heard.

A．A subscription to a book.
B．A bargain on dance lessons.
C．A cheap airfare to Hawaii.
D．A membership to sports club.

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单项选择题

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The example of the students getting the Ping-Pong ball proves that students are more creative than average people.

Questions 19 to 21 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。