问题
选择题
After the accident I tried whatever I can to help him, but it didn't make any _____. [ ]
A. use
B. difference
C. result
D. case
答案
答案：B
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After the accident I tried whatever I can to help him, but it didn't make any _____. [ ]
A. use
B. difference
C. result
D. case
答案：B