单项选择题

Questions 32 to 35 are based on the passage you have just heard.

A．Three groups of learners.
B．The importance of business English.
C．English for specific purposes.
D．Features of English for different purposes.

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单项选择题

单项选择题

Questions 32 to 35 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。