问题
选择题
Swimming is good________our health, but________the same time we mustn't forget the danger. [ ]
A. for, at
B. to, at
C. for, in
D. to, in
答案
A
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Swimming is good________our health, but________the same time we mustn't forget the danger. [ ]
A. for, at
B. to, at
C. for, in
D. to, in
A