考试
2020-03-13 23:42:55

452 They use computers to keep

题目描述

They use computers to keep the traffic smoothly. A. being run B. run C. to run D. runn



They use computers to keep the traffic smoothly.

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

请帮忙给出正确答案和分析,谢谢!

答案解析

题目: They use compute

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