单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．The class thought the demonstration was too complex.
B．The professor didn’t show up,
C．Too many students showed up.
D．The professor cancelled it.

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单项选择题

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With that much money to be made, the ice cream industry can be __________________________________.

Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。