_______ from what he did, he isn’t a person to depend on..

Simon improved his way of study.______ , he has made great progress.

However, once the ability to record sound was invented, music players_____ underwent a series of rapid changes.

Studies show that MP3 people have made much use of_____ music may be causing hearing loss.[ ]

（2014年(春)重庆市高三考前冲刺测试卷）9A great person believes one’s real value first lies in to __ degree and sense he sets himself