语法填空
What is your favourite cartoon? It may be           (difficulty) for you to decide．But for pianist Lang Lang, Tom and Jerry is the best one．
When Lang     (be) two years old, he saw Tom playing      piano．This was his first time to enjoy western music and this experience encouraged him         (learn) to play the piano well．His talent at the keyboard has taken him from Shenyang        the world．Lang Lang became a good piano student at three．Ever since, the boy has been doing better        better．In 1997, the 15-year-old boy studied at a famous American music college．
Lang Lang's performances are energetic．He is well-known for   （make）facial expressions and moving around while playing the piano．
The road to      ( succeed)has never been easy．Lang's father stopped his job to look         him, while his mother stayed in Shenyang to make money．But Lang considers       (him)lucky and believes he should give something back．He has helped the children in poor areas a lot．