---John,willyouplease______theblackboardnow?It'syourduty.---OK.A.not

发布时间：2020-08-06 20:28:41

---John, will you please ______ the blackboard now? It's your duty.---OK.A.not cleanB.not to cleanC.to cleanD.clean

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D解析点拨：此题考查Will you please+v.原形…？其否定式在动词原形前加not。选项B和C不符合please+动词原形结构，选项A不符合题意。
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