Jim could you the TV a bit ? Your mom is sleeping nowA. turn downB. turn onC. turn offD.

问题补充：

Jim，could you the TV a bit ? Your mom is sleeping now．

A. turn down

B. turn on

C. turn off

D. turn up

答案：

(答案→)A. turn down

B. turn on

C. turn off

D. turn up

解析：考查固定短语。句意：Jim，你能把电视声音扭低吗？你的妈妈正在睡觉了。故选A。turn down 声音扭低；turn on 打开；turn off关掉; turn up声音扭高;故选A。