问题
选择题
Don’t forget to ______ the lights and the TV in the sitting room before going to bed.
A.turn up
B.turn on
C.turn off
D.turn down
答案
答案:C
题目分析:句意:在睡觉之前不要忘记关掉起居室的灯和电视。A. turn up调高B. turn on打开; C. turn off关掉; D. turn down调低,根据句意此题选C。