◎ 题干
—What's your car number?   
—______ 321471.   

[     ]

A. I'm
B. It's
C. Its
D. My car is
◎ 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“—What's your car number?—______ 321471.[ ]A.I'm B. It's C. Its D. My car is …”主要考查了你对  【人称代词】【系动词】  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。