◎ 题干
As a student, he knows that he must _______ himself to get good marks.
[     ]
A. depend on
B. help out
C. give his life to
D. take care of
◎ 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“As a student, he knows that he must_______ himself to get good marks.[ ]A. depend onB. help out C. give his life to D. take care of …”主要考查了你对  【动词短语】  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。