Scientists say that music makes our brain "feel happy" and it the importance of music in cultures all over the world． （解释）
尽管这位老人一直一个人住，但是他从未感觉到孤独．
Although the old man lives alone all the time，he never ．
我们应该采取措施来防止校因暴力．
Measures should to prevent school violence．
Government has p children in poor areas with food for free since 2011．
G speaking，she has made great progress this time．
Yao Ming's height give him a big a over other players．