Don't forget to____the document befour you switch off the co

Don't forget to____the document befour you switch off the co 用已学过的英语解释下列句子:You must switch off the electricity.Don't ____ Don't forget to turn off the tap when you don't use it. Don't forget to （t ） off the lights when you lesve the room --Don't forget to turn off the light if you're the last one Don't forget to turn off the lights when you leave the class Don't forget to turn off the lights if you are the last one "Don't forget ti turn off the lights before you leave the ro Don't forget to turn off the lights if you're the ( )person —Don't forget to turn off the lights if you are the last one Don't forget to turn off the light when you leave the room,为 ---Don‘t forget to check behind the car before you move off