单项选择题

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

A. It is boring to do different kinds of exercise.
B. It is quite necessary for the sake of health.
C. It is totally confused to choose the right one.
D. It is hard to follow the experts’ suggestion.

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单项选择题

A. At a library. B. In a college bookstore. C. At a news-stand. D. At a department store.

A. At a library. B. In a college bookstore.
C. At a news-stand. D. At a department store.

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

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