单项选择题

Questions 19 to 22 are based on the conversation you have just heard.

A. They are a group of people living in the cave.
B. They are fascinating.
C. They have no warm house to live in.
D. They are interested in music.

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问答题

Questions 19 to 22 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。