◎ 题干
They have a good knowledge of English but little _____ they know about German .
[     ]
A. have
B. did
C. had
D. do
◎ 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“They have a good knowledge of English but little _____ they know about German . [ ]A. have B. didC. had D. do …”主要考查了你对  【动词】【一般现在时】  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。