◎ 题干
—Is this your sharpener?
—No, it isn't. I think _______.

A. its her sharpener  
B. her sharpener
C. their sharpeners      
D. it's her sharpener
◎ 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“—Is this your ruler?—No, it isn't. I think _______.[ ]A. its her sharpener B. her sharpenerC. their sharpeners D. it's her sharpener…”主要考查了你对  【宾语从句】  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。