◎ 题干
—Excuse me, is this your backpack?
—_____
[     ]
A. Sorry, I don't know                    
B. Yes, it is. Thank you
C. Your backpack is in my room            
D. It's black
◎ 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“—Excuse me, is this your backpack?—_____[ ]A. Sorry, I don't know B. Yes, it is. Thank youC. Your backpack is in my roomD. It's black…”主要考查了你对  【日常用语、谚语】  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。