Question

Don’t forget to ______ the lights before you leave the classroom. A．turn down B．turn on C

Don’t forget to ______ the lights before you leave the classroom. A．turn down B．turn on C．turn off D．turn up

Answer 1

C

四个选项分别表示拒绝、开、关上和翻起，根据题意选C，你离开教室前不要忘了关灯。