Could you please the radio a bit ? It’s too loud.A. turn upB. turn onC. turn offD. turn

问题补充：

Could you please the radio a bit ? It’s too loud.

A. turn up

B. turn on

C. turn off

D. turn down

答案：

A. turn up

B. turn on

C. turn off

(答案→)D. turn down

解析：turn up出现，发生；turn on打开，发动；turn off 关掉；turn down关小,调低.句意:你能把收音机调低一点吗?——声音太大了。结合语境可知选D。