Question

15．離開(kāi)房間時(shí)記得關(guān)燈．
Remember toturnoffthe lights when you leave the room．

Answer 1

分析 turn off．

解答 答案：turn off．結(jié)合句子結(jié)構(gòu)remember to do sth表示記得去做某事，表示關(guān)燈用turn off the lights，故答案是turn off．

點(diǎn)評(píng) turn on 有啟動(dòng)的意思，turn on the TV
turn off是turn off的反義詞，關(guān)閉的意思，turn off the tv
turn down--關(guān)小，turn down the volume關(guān)小音量
turn up--開(kāi)大，turn up the vulume