https://online2.tingclass.net/lesson/shi0529/0008/8490/80.mp3
https://image.tingclass.net/statics/js/2012
20. The choir stood in four rows according to their ____ heights
A. respective B. respectable C. respected D. respectful
respective 單獨(dú)的，單個(gè)的
respectable 表面上受人尊敬的，體面的
respectful 尊敬他人的
respected 品德上高尚的人，值得尊敬的人
suspect 懷疑
