Keep the machine _______,and you will know how it works.套用了什么用法?是_其他解答

Keep the machine _______,and you will know how it works.套用了什么用法?
是to run 还是 running

人气：469 ℃　时间：2020-10-01 10:43:10

解答

Keep the machine working,and you will know how it works.
大概是keep sth.doing的用法吧～仅供参考