◎ 题干
I had a hard time learning math last year.
A.was hard-working B.worked hard C.had trouble D.didn’t like
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“ I had a hard time learning math last year. A.was hard-workingB.worked hardC.had troubleD.didn’t like…”主要考查了你对  【助动词】【介词短语】【固定搭配】【疑问词组】  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。