问题
选择题
The scientists are trying to _ _ a good solution to save people who have got HINI flu
in our country. [ ]
A. come out
B. come down
C. come up with
答案
答案：C
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The scientists are trying to _ _ a good solution to save people who have got HINI flu
in our country. [ ]
A. come out
B. come down
C. come up with
答案：C