问题
选择题
Why can't you do this small ________ for me? I helped you often enough in the past. [ ]
A. work
B. demand
C. favor
D. good
答案
答案：C
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Why can't you do this small ________ for me? I helped you often enough in the past. [ ]
A. work
B. demand
C. favor
D. good
答案：C