问题
选择题
Mary's ____ brother is a doctor. He is four years ____ than her. [ ]
A. older; elder
B. elder; elder
C. elder; older
D. older; older
答案
答案：C
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Mary's ____ brother is a doctor. He is four years ____ than her. [ ]
A. older; elder
B. elder; elder
C. elder; older
D. older; older
答案：C