离开教室时别忘了把灯关上.翻译成英语Don't forget ___ ___ ___the lights when you ___ the classroom.
问题描述：
离开教室时别忘了把灯关上.翻译成英语
Don't forget ___ ___ ___the lights when you ___ the classroom.
答
Don't forget to turn off the lights when you leave the classroom.
答
to turn off leave