【题目】---Why are you so crazy about music?
--- Because I can always find in music _____ peace that is missing in _____ world full of challenges.
A. the; a B. the;/ C. /; a D. /; the
在线课程【答案】A
【解析】
试题分析：考查冠词。句意：为什么你对音乐这么狂热？因为我总是能在音乐中找到平静，而这平静是这个满是挑战的世界缺失的。找到宁静用冠词the，a world full of....一个充满...的世界，故选A项。