问题
选择题
It is _____ eraser. It is _____ eraser. [ ]
A. a; my
B. an; I
C. an; my
D. a; /
答案
答案：C
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It is _____ eraser. It is _____ eraser. [ ]
A. a; my
B. an; I
C. an; my
D. a; /
答案：C