延髓病变用什么药:question

来源：百度文库 编辑：高考问答 时间：2024/05/09 08:00:58
Has any of you been to Beijing?
为什么要用has而不用have?
thx

any of you 指你们中的任何一人,为单数

any of you是单数，指的是你们中的任意一个人。

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