问题
选择题
If you don't , you are sure to succeed. [ ]
A. stop to do it
B. give up trying
C. catch up with it
D. throw it away
答案
答案：B
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If you don't , you are sure to succeed. [ ]
A. stop to do it
B. give up trying
C. catch up with it
D. throw it away
答案：B