问题
选择题
She has been skating for _____. [ ]
A. three and a half years
B. three and half a year
C. three and a half year
D. three years and half
答案
答案：A
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She has been skating for _____. [ ]
A. three and a half years
B. three and half a year
C. three and a half year
D. three years and half
答案：A