◎ 题干
My pen pal Andrew found it difficult _____ Chinese well
[     ]
A. learning
B. learn
C. to learn
D. learned
◎ 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“My pen pal Andrew found it difficult _____ Chinese well [ ]A. learningB. learnC. to learnD. learned…”主要考查了你对  【不定式】  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。