They use computers to keep the traffic smoothly.
A. being run
B. run
C. to run
D. running
They use computers to keep the traffic smoothly.A. being runB. runC. to runD. running
答案:2 悬赏:50 手机版
解决时间 2021-12-22 10:09
- 提问者网友：藍了天白赴美
- 2021-12-22 00:22
最佳答案
- 五星知识达人网友：行路难
- 2021-12-22 01:18
A. being runB. runC. to run(答案→)D. running解析：考查非谓语动词Ving，这儿构成(keep sth. doing。)。
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- 1楼网友：神也偏爱
- 2021-12-22 02:13
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