—Your father is sleeping now. Could you please the CD player ?--OK mum.A. closedB. openC

问题补充：

—Your father is sleeping now. Could you please the CD player ?

--OK, mum.

A. closed

B. open

C. turn on

D. turn off

答案：

A. closed

B. open

C. turn on

(答案→)D. turn off

解析：本题考查动词短语所表示含义的区别。本题的含义为你的爸爸现在正在睡觉。请你把光盘播放机关掉好吗？turn off表示关上的含义，与本题相符，而turn on表示打开的含义，closed表示关上门窗的含义，open表示打开门窗的含义，后三者与题意不符，故本题选D。