单项选择题

Questions 23 to 25 are based on the conversation you have just heard.

A．Call room service.
B．Come to the reception desk.
C．Both Ａ) and Ｂ).
D．Go to the canteen.

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单项选择题

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All the 9,500 women who participated in the research would have little exercises or would only walk just a mile a day before the research.

Questions 23 to 25 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。