Question

 -The lights in the classroom are still on.
-Sorry. I’ll go and ______.

A．turn them on

B．turn them off

C．turn them down

D．turn them up

Answer 1

B

试题分析：句意:-教师里的灯还亮着。-对不起，我去把它们关掉。turn on 打开；turn off 关掉；turn down 把声音关小；拒绝；turn up 把声音开大；出现。根据句意可知选B。