The wheel is thought to be an invention of the first importa

问题描述：

The wheel is thought to be an invention of the first important in human history.和
A wheel is thought to be the invention of the first important in human history.哪个句子是正确的?
1个回答 分类：英语 2014-11-14

问题解答：

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A wheel is thought to be the invention of the first important in human history 对的!
 
 
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