Somepolicemenshouldbesentto_______

发布时间：2020-07-27 09:13:50

Some policemen should be sent to ________ them ________ the trees．A.prevented; to cut downB.stop; cutting downC.keep; to cut downD.keep; cutting down

网友回答

B解析prevent sb．(from)doing sth．中from可省略。排除A项。keep sb．from doing sth．中from不可省略。故C、D两项都排除，正确
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