单项选择题

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

A．Call the office.
B．Sign your name on the notice board in advance.
C．Pay the money.
D．There is no need to reserve a place.

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单项选择题

单项选择题

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