单项选择题

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

A．She is running down.
B．She is a little tired.
C．She is too worried.
D．She is rather embarrassed.

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C)。

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According to Hill, learning is effective when ideas are shared.

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