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--What about the protection? --Let’s keep the surface dirt by putting a cover ov

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--What about the protection? --Let’s keep the surface dirt by putting a cover ov

 --What about the protection? 

--Let’s keep the surface _________ dirt by putting a cover over it.     

A. far from                 B. free from               C. apart from       D. away from

试题答案

B

标签：surfacekeepbydirtlet

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