单项选择题

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

[A] When there are more than twelve people.
C. When there are fifteen people.
B. When there are five people.
D. When there are more than fifteen people.

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单项选择题

[A] Vacations. [C] Overcrowded classrooms. [B] Wages. [D] Paid sick leaves.

[A] Vacations. [C] Overcrowded classrooms.
[B] Wages. [D] Paid sick leaves.

单项选择题

[A] At the airport. C. Taking the air.B. By plane. D. On radio and TV.

[A] At the airport.
C. Taking the air.
B. By plane.
D. On radio and TV.

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

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