题目内容
---Ann, here is _____big tree . What can you see behind _____tree?
---Oh, _____elephant is standing behind it.
A. a, the, an B. a, a, the C. the, a, an D. the, the, an
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题目内容
---Ann, here is _____big tree . What can you see behind _____tree?
---Oh, _____elephant is standing behind it.
A. a, the, an B. a, a, the C. the, a, an D. the, the, an