_______leaves the room last should turn off the lights．

_______leaves the room last should turn off the lights． ____ leaves the room last must turn off the lights. __leaves the room last ought to turn off the lights. last one out turn off the lights _______ leaves the room last ought to turn off the lights ______who leave the room last ought to turn off the lights. ____ leaves the room lastought to turn off the lights. ---------leaves the room last ought to tuan off the lights. 为什么?____leaves the room last should remember to turn off the ___leaves the room last ought to turn off the When you leave the room,turn off the lights and don't leave I f ----to turn off the lights When I left the room yesterda