单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A) Playing the piano. C) Typing.
B) Making a photocopy. D) Taking a picture.

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The people living in the United States will not be faced with water shortages.

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Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。