单项选择题

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

A．Plant some trees on campus.
B．Organize a picnic.
C．Build a parking lot.
D．Protect the natural beauty on campus.

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热门试题

单项选择题When owners are unhappy at their animals’ behaviors, they______.

单项选择题A．Listening to the radio.B．Looking at the photos.C．Watching television.D．Reading newspaper.

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