–You are really crazy about music!
– Sort of. I always find in music peace which is missing in world full of challenges.
A. /; the
B. /; a
C. a; the
D. the; a
网友回答
A. /; the
B. /; a
C. a; the
(答案→)D. the; a
解析：句意：--你对音乐很着迷！--有点，我总是在音乐中发现在充满挑战的世界中是缺少的宁静。第一空填the，特指“在充满挑战的世界中是缺少的宁静”，第二空填a，泛指“一个充满挑战的世界”，选D。