I have eraser my pencilcase
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I have _____ eraser _____ my pencilcase.[ ]
A. a; in
B. a; at
C. an; in
D. an; at
参考答案:
I have _____ eraser _____ my pencilcase.[ ]
A. a; in
B. a; at
C. an; in
D. an; at
参考答案: