◎ 题干
-Young man, come off the grass; we forbid________ on the grass here.
-Sorry, I didn’t notice it.
A.to steppingB.steppingC.whyD.which
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“-Young man, come off the grass; we forbid________ on the grass here. -Sorry, I didn’t notice it.A.to steppingB.steppingC.whyD.which…”主要考查了你对  【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。