China is playing an important role the development of economy.A. by B. in C. with 题目和参考答案——青夏教育精英家教网—

题目内容

China is playing an important role 　　　the development of economy.

A. by B. in

C. with D. because

【解析】

试题分析：句意：随着经济的发展中国起着重要的作用。with the development of economy随着经济的发展,故选C。

考点：考查介词。

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