People say that Shen Nong discovered tea.变被动语态
问题描述：
People say that Shen Nong discovered tea.变被动语态
答
People say that Shen Nong discovered tea.变被动语态
It is said that Shen Nong discovered tea.
It is said that tea was discovered by Shen Nong.
答
People say that tea was discovered by Shen Nong.