1 . It was painful to see the changes coming over her. She __________ (不参加) school, and refused to communicate. （根据汉语提示单词拼写）

2 . A virtual choir e ______ (使能够) them to add their voices to those of other individuals and become part of the global community. （根据中英文提示填空）

3 . He________ her by the arm. (抓住) (根据汉语提示单词拼写)

4 . Mary sang, I a________ on the piano, and Tom danced to the music.（根据首字母单词拼写）

5 . Many of my friends ___________(寻求) their fortune in this big city these years, while I just wanted to start a business in my hometown.