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The bark of some species of oak trees yields substance used in ____ leather.

时间:2022-08-28 21:28:31

The bark of some species of oak trees yields substance used in ____ leather.

A.treating

B.to treat

C.its treatment

D.it treats

答案及解析: A

解析:

介词后面只能跟动词的v+ing形式。不必十分清楚这句话的意思,便可选定A. treating。而因为缺少介词of引导的短语of leather,故不能使用C. its treatment中的名词treatment构成词组:in treatment of leather(最好说:in leather treatment)。

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