单项选择题

Questions 29 to 31 are based on the passage you have just heard.

A．By creating chances of teamwork.
B．By supporting people in war areas.
C．By collecting money for children.
D．By teaching children speed skating.

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单项选择题

单项选择题

Questions 29 to 31 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。