单项选择题

Passage One Questions 26 to 29 are based on the passage you have just heard.

A．To other European countries.
B．To the remote areas and suburbs.
C．To the natural parks for birds.
D．Back to their nests.

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单项选择题

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Passage One Questions 26 to 29 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。