题目内容
---What’s this?
--- It’s _____ eraser, and _____ eraser is Tom’s.
A. a; the B. an; the C. an; an D. a; an
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题目内容
---What’s this?
--- It’s _____ eraser, and _____ eraser is Tom’s.
A. a; the B. an; the C. an; an D. a; an