—Could you please the music? My baby is sleeping.—Sorry. I will do it right away.A. open u

问题补充：

—Could you please the music? My baby is sleeping.

—Sorry. I will do it right away.

A. open up

B. turn down

C. drop by

D. dress up

答案：

A. open up

(答案→)B. turn down

C. drop by

D. dress up

解析：考查动词短语辨析。open up“开阔，打开”；turn down“把（声音等）拧小”；drop by“顺便拜访”；dress up“打扮”。句意“－请你把声音关小好吗？我的孩子正在睡觉。－对不起，我马上关小。”故选B。