It will not be long _____man can harness the solar energy and make it serve mank - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

It will not be long _____man can harness the solar energy and make it serve mankind.

A．since

B．before

C．when

D．after

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略

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试题【It will not be long _____man can harness the solar energy and make it serve mank】；主要考察你对连词等知识点的理解。[详细]

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