Question

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

Answer 1

C

试题分析：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。