1. (2016九上·德惠模拟) 阅读下面的短文,从短文后各题所给的选项中选出能填入空白处的最佳答案。

    Last night one of my Chinese friends took me to a concert of Chinese folk music. The piece 1was played on the erhu2moved me. The music was3   beautiful, but under the beauty I sensed a strong sadness and pain. The piece has a simple name,Erquan Yingyue(Moon Reflected on Second4,but it was one of5pieces of music that I've ever heard. The erhu6so sad that I almost cried along with it as I listened. Later I looked up the history on Erquan Yingyue, and the sadness in the music began7 by me.