单项选择题

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. There are more complaints about_____ than others.

A．clothing
B．electrical appliances
C．travel agencies
D．photographic equipment

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单项选择题

单项选择题

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. There are more complaints about_____ than others. 您的浏览器不支持 audio 元素。