离开教室前记得关灯用英文怎么说

"Remember to turn off the pghts before leaving the classroom" 这句话的来源是英语语境中，在离开教室之前提醒人们记得关灯。

例句1:

Remember to turn off the pghts before leaving the classroom.

离开教室前记得关灯。

例句2:

Don't forget to switch off the pghts when you leave the room.

离开房间时别忘了关灯。