◎ 题干

We rushed to the football court, only to see a sign _____ into the ground reading PERIODIC MAINTENANCE (定期维修).
A.knockedB.knockingC.to be knocked D.being knocked
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“We rushed to the football court, only to see a sign _____ into the ground reading PERIODIC MAINTENANCE (定期维修).A.knockedB.knockingC.to be knocked D.being kno…”主要考查了你对  【动词短语】【动词】  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。