Ⅳ．补全对话

A：Congratulations！You have won the first prize in the City Violin Competition．

B：1．【1】．

A：2．【2】？

B：Since I was four years old．I've learnt it for five years．

A：3．【3】 how to play the violin?

B：My mother did．But she doesn't teach me now because she is very busy．I take extra violin lessons here in the violin club．

A：4．【4】？

B：I come here three days a week．

A：5．【5】 when you grow up?

B：I want to be a violinist．

A：Wish you greater success!

B：Thank you!