At what age did Emily start learning ballet?

　　艾米麗什么時候開始學芭蕾的？

　　Ballet dancers practise their skill every day.

　　芭蕾舞演員每天都練習舞技。

　　A famous Russian ballet is coming to town next weekend.

　　一個著名的俄羅斯芭蕾舞團下周末將進城。