before leaving the room,he turned off the radio.这里为什么要用动名词le
He turned off the lights 【 before leaving the room】状语 但这个状语修
do not forget to turn off the lights before leaving the room
keep your windows closed before leaving the room.为什么用“closed
He turned off the lights and then ____ the class room A.leav
Mr Thompson had turned the lights off before he went to bed,
1、Though Mr.James had turned the lights off before he went t
Though Mr Thompson had turned the lights off before he went
英语翻译Before leaving the classroom ,please turn off the lights
The light in the room must be turned off
The monitor turned off the light as he left the classroom为什么
为什么以下这里的off是副词,而不是介词:She turned off all the lights in the cl
The monitor turned off the light_____ he left the classroom