Do not ____electricity we should always ___ off the lights w

Do not ____electricity we should always ___ off the lights w do not forget to turn off the lights before leaving the room () the lights when you leave the room A Do not turn off B tu why do not you turn off the lights before you leave the clas _____the lights off,we could not go on with the work ____the lights off,we could not go on with the work. do not forget to turn off the lights when you ( ) leave leav _______leaves the room last should turn off the lights． 转换成被动语态1．you should turn off the lights after class．2.we mus ___ with the problem,we should do something . We should do something ___ (quiet) in the reading room. He suggested that the meeting ___ put off.A not be B should