They use computers to keep the traffic _______ smoothly. A．being runB．runC．to ru - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

They use computers to keep the traffic _______ smoothly.

A．being run

B．run

C．to run

D．running

答案

解析

考查非谓语动词。句意：他们用电脑保持交通运行流畅。现在分词作补足语表示正在进行的伴随性动作，和被修饰词是主谓关系。故选D。

核心考点

试题【They use computers to keep the traffic _______ smoothly. A．being runB．runC．to ru】；主要考察你对名词等知识点的理解。[详细]

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