◎ 题干
The key to _____ the problem is to meet the demand _____ by the customers.
[     ]
A. solving, making
B. solving, made
C. solve, making
D. solve, made
◎ 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“The key to_____ the problem is to meet the demand_____ by the customers. [ ]A. solving, making B. solving, madeC. solve, making D. solve, made …”主要考查了你对  【动名词】【过去分词】  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。