Listen to a conversation between a student and the director of the student cafeteria.
听一段学生和学生食堂主管之间的对话。
Listen to a conversation between a student and the director of campus activities.
听一段学生和校园活动负责人之间的对话。
Listen to a conversation between a student and the director of campus activities.
听一段学生和校园活动负责人之间的对话。
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