--Oh the music is wonderful. Would you please the radio?---All right. A. turn onB. turn

问题补充：

--Oh, the music is wonderful. Would you please the radio?

---All right.

A. turn on

B. turn off

C. turn up

D. turn down

答案：

A. turn on

B. turn off

(答案→)C. turn up

D. turn down

解析：turn on打开，发动；turn off关闭；turn up发现，开大；turn down关小，调低。句意：哦，这音乐真不错，你能把收音机开声音大点吗？——好吧。结合语境可知选C。