◎ 题干
---Lucy, is maths difficult to learn in a foreign school?
---I’m not sure, but no subject can be learned well __________hard work.
A.withoutB.throughC.byD.with
◎ 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“---Lucy, is maths difficult to learn in a foreign school? ---I’m not sure, but no subject can be learned well __________hard work.A.withoutB.throughC.byD.with…”主要考查了你对  【介词短语】【介词】  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。