Do you know the boy riding a black bike?为什么用riding 而不用to rid

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/30 12:43:04

Do you know the boy riding a black bike?为什么用riding 而不用to riding

这是省略了who is 的句子,把它还原,你就明白了.
Do you know the boy（who is ） riding a black bike?
你认识那个正在骑一辆黑色自行车的男孩吗?
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再问： O(∩_∩)O谢谢
再答：如果明白了，别忘了采纳哦！

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