A good friend is a person who you can in your hour of need.
A. turn on
B. turn off
C. turn down
D. turn to
网友回答
A. turn on
B. turn off
C. turn down
(答案→)D. turn to
解析：词义辨析题。A. turn on 打开 B. turn off 关掉 C. turn down 调低 D. turn to 求助于 句意：好朋友就是在你需要的时候你可以求助的人。根据语境选D