The baby is sleeping. Please turn the radio. A. upB. downC. toD. on

问题补充：

The baby is sleeping. Please turn the radio.

A. up

B. down

C. to

D. on

答案：

A. up

(答案→)B. down

C. to

D. on

解析：turn与四个选项搭配分别表示翻起、关掉、转向和开，根据题意选B，婴儿在睡觉。请关掉收音机。