◎ 题干
Students should do everything they can _______ their study.
[     ]
A. improve
B. to improve
C. improving
D. improved
◎ 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“Students should do everything they can _______ their study. [ ]A. improve B. to improve C. improving D. improved …”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。