单项选择题

Questions 22-25 are based on the following dialogue. As the conversation begins, what are the man and woman doing

A．Looking at some photographs.
B．Selling cameras.
C．Teaching a photography class.
D．Repairing camera equipment.

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单项选择题

单项选择题

Questions 22-25 are based on the following dialogue. As the conversation begins, what are the man and woman doing 您的浏览器不支持 audio 元素。