楼上的也太那个点了吧,直接用翻译工具翻译整句话,牛x.
楼主的句子不全,把所有的关掉是关掉什么东西?电器吗?没写宾语啊
以下两个仅供参考：
Make sure that turn off all the appliances when you leave the classroom.
Make sure all the appliances being turned off when you leave the classroom.
楼上的也太那个点了吧,直接用翻译工具翻译整句话,牛x.
楼主的句子不全,把所有的关掉是关掉什么东西?电器吗?没写宾语啊
以下两个仅供参考：
Make sure that turn off all the appliances when you leave the classroom.
Make sure all the appliances being turned off when you leave the classroom.