keep,stop,sb.from doing sth.看下啊

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• keep sb.from doing sth.和stop sb.from doing sth.中哪个from可以省略
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• keep,stop,sb.from doing sth.看下啊
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• keep,stop,sb.from doing sth.看下啊Please ____the children from swimming in the lake.A.stop B.keep 我觉得两个都可以啊》
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