I have to turn off the light.为什么要加the~有时我这个分不清～不知道是加the 还是a谁能具体给解释下~

歌Don't turn off the light的第一句是I Don't have to...还是The light don't have to... Don't forget__the light when I'm out? A.turn off B.turning off C.to turn off D.to turn on turn off the TV.I have told you not to watch TV wile doing homework,haven't I 怎么不前肯后否 1.You can ___Mr.wang for help.2.I don't think that you have met him,____?3.You'd better____.1.A.turn to B.turn for C.turn over D.turn up2.A.do you B.have you C.do I D.haven't you3.A.take off it B.take it off C.to take off it D.to take it off快 Do I have to ____(turn) off all the lights when I ____ (leave)? I didn't expect him to __me when I needed his help.A.turn back.B.turn off.C.turn on.D.turn his back on You don't have to turn off the air-conditioner.You ____ turn of the air-conditioner. Why didn‘t you turn off the light last night,Tom?But I remembered （ ）A.turining it on B.turning it off C.to turn it off Thank you ,but I have to turn down your offerturn down/away/back/off的区别 补充句子1.If I have a pet dog,I will_______.2.If Mother doesn't come back home today,I will________.3.I don't want to go swimming if I_______.4.Turn the TV off if______. don't forget to turn off the light A.yes ,I will B.no ,I won't Please don't leave without___the lights.A.turn off B.to turn off C.turning off D.turn on 各位英语高手,请教几个问题.My sister is sleeping. COuld you ______ the radio?A. turn on B. turn off C. turn over D. turn downDo you have to buy this hat? No, I ______. It's not necessary.A. mustn't B. won't I turn you off. 请翻译Don't turn off the light中的几句歌词只翻译有括号的就可以了,不要用金山全文翻译,谢Enrique Iglesias - Don't turn off the light I don't have to tell you What this is all about (Cause baby half the fun is) (In us figuri Don`t turn off the lights.I need to know if what I am doing is right. Turn off the TV.( I asked you to turn off the TV.( )里填什么? How can I_____the machine?I want to use it.--Sorry,I don't know,either.You'd better ask that man.A.turn on B.turn off C.turn up D.turn down