please turn off a printer是什么意思急求

Forbidden,Please turn off Please don't leave without___the lights.A.turn off B.to turn off C.turning off D.turn on please turn off a printer是什么意思急求 please turn off the printer Dad is sleeping.Please ________the TV a little .A.turn on B turn off C turn up D turn down I want to watch the programme on TV.__________________,please.A.Turn it on B.Turn it off C.Turn off it D.Turn on it Please ( ) the lights .Dad is sleeping A turn on B get on C turn off D get off ______(not turn) off the light,please. could (someone) please turn off the tv 出现Forbidden,Please turn off CC怎么办 -_____is watching TV .Turn it off please. please turn off the _____(record) Kate,please turn off the light( )you leave theKate,please turn off the light( )you leave the room A.after B.before C.until D.since The baby is sleeping．Will you please ________ the radio a little?A.turn on B.turn off C.turn up D.turn down 问：Please ( ) the lights before you leave the class.A.turn right B.turn left C.turn on D.turn off Look!The water is running.Please go and ___the tap.A.turn off B.turn onC.turn down D.turn up Before you leave the classroom,please ________the lights．A.turn up B.turn down C.turn on D.turn off It’s time for weather report.Please _____________ the TV.A、 turn over  B、 turn on  C、 turn down  D、 turn off