◎ 题干
Keep ______, and you'll succeed.
[     ]
A. to try
B. tries
C. trying
D. tried
◎ 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“Keep ______, and you'll succeed. [ ]A. to try B. tries C. trying D. tried …”主要考查了你对  【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。