单项选择题

A) In a restaurant. B) In a library.
C) In a classroom. D) On a bus.

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单项选择题

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The host required that every lecturer (give) ______ three minutes in their speeches.

A) In a restaurant. B) In a library. C) In a classroom. D) On a bus. 您的浏览器不支持 audio 元素。