1,No one knows why modern musics have affected so many people.
2,I'm afraid that there isn't any tickit available for the play now.
3,It is evidence that the development of the computer is the result of good education.
4,Don't give up if you are sure you are doing one thing worth of doing
5,Accident rarely happens because all people are very careful when driving.
6,Keep tring,and you will overcome every difficoult you meet.