◎ 题干
Attention__________ on his painting, he even didn’t notice me come in.
A.fixing B.was fixed C.which fixed D.fixed
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Attention__________ on his painting, he even didn’t notice me come in.A.fixingB.was fixedC.which fixedD.fixed…”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。