题目内容
【题目】They find a sign _____ a tree and they also find a bird ____ the tree. ( )
A.in; inB.on; onC.on; in
【答案】C
【解析】
略
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题目内容
【题目】They find a sign _____ a tree and they also find a bird ____ the tree. ( )
A.in; inB.on; onC.on; in
【答案】C
【解析】
略