◎ 题干
---Mr Ding,I have some trouble ______the passage!
----Remember _____it three or four times at least !
A,to understand ,reading             B.understanding ,reading
C.understanding ,to read             D.to understand ,to read
◎ 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“---Mr Ding,I have some trouble ______the passage!----Remember _____it three or four times at least !A,to understand ,readingB.understanding ,readingC.understan…”主要考查了你对  【不定式】【分词】【动名词】  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。