问题
选择题
—Can you ________ him studying hard?
—No, I can't. He never studies hard. [ ]
A. stop
B. prevent
C. keep
D. warn
答案
答案：C
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—Can you ________ him studying hard?
—No, I can't. He never studies hard. [ ]
A. stop
B. prevent
C. keep
D. warn
答案：C