问题
选择题
Hello, Tim! What's that?
It's eraser. And It's _______white eraser.[ ]
A. a, a
B. an, a
C. the, an
D. 不填, a
答案
答案：B
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Hello, Tim! What's that?
It's eraser. And It's _______white eraser.[ ]
A. a, a
B. an, a
C. the, an
D. 不填, a
答案：B