问题
选择题
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
答案：A
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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：A