Itzhak Perlman, a famous violinist, came on stage to give a concert. He was stricken with polio（小儿麻痹症）as a child, so getting on stage is no small ____ (achieve).

    The audience sat quietly while he made his way across the stage ____ his chair and began his play. But this time,____ went wrong. Just as he finished the first part, one of the strings on his violin ____(break). We thought that he would have to stop the concert. But he didn't.____, he waited a moment, closed his eyes and then signaled the conductor to begin again.

    ____ (power) and pure, his performance attracted all the attention.

    Of course, anyone believes ____ impossible to play a harmonious work with just three strings. I know that, and you know that, but that night Itzhak Perlman refused ____ (know) that.

    When he finished, people rose and cheered.

____ (smile), he wiped the sweat and said, “You know, sometimes it is the artist's task to find out how much music you can still make with____ you have left.”