◎ 题干
The boy joyfully ate up every single bit of the food on the table, his dog     at him with its mouth watering.
A. staring     B.stared     C.to stare    D. having stared
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“The boy joyfully ate up every single bit of the food on the table, his dogat him with its mouth watering. A. staring B.staredC.to stare D. having stared…”主要考查了你对  【独立主格结构】  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。