Question

【题目】Don't forget _________ the light before you leave a room
A.to turn off
B.to close
C.turning off
D.closing

Answer 1

【答案】A
【解析】句意：在你离开房间前，不要忘了关灯。Turn off指关电源；close指转动转轴把事物关起来。灯，是关电源。Forget to do sth忘了要做某事；forget doing sth忘了做了某事。不要忘了要把灯关上，故选A。