◎ 题干
We know the boy______ from England, but where_______ his mother come from?
[     ]
A. am; do       
B. is; is
C. are; does
D. is; does
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“We know the boy______ from England, but where_______ his mother come from?[ ]A. am; do B. is; is C. are; does D. is; does …”主要考查了你对  【系动词】【助动词】【主谓一致】  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。