【题目】—Look! This is ______ bear. ( )
—Yes. But that is ______ elephant.
A.an; a B.a; an
【答案】B
【解析】
略
【题目】—Look! This is ______ bear. ( )
—Yes. But that is ______ elephant.
A.an; a B.a; an
【答案】B
【解析】
略
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