◎ 题干
One of the difficulties we have _____ English is how to remember new words and expressions.
[     ]
A. to learn
B. in learning
C. learn
D. learned
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“One of the difficulties we have _____English is how to remember new words and expressions. [ ]A. to learn B. in learningC. learn D. learned …”主要考查了你对  【动词短语】【定语从句】  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。