【題目】With the help of computers, people will find it easier to keep the traffic smoothly.

A. to run B. run C. running D. ran

【答案】C

【解析】句意：在計算機的幫助下，人們會更容易地保持交通順暢。keep...doing sth意為“讓...持續(xù)作某事”。故選：C。

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