1.究竟；到底             _____ 
2. give a concert           _____
3. 弹吉它                    _____
4. be famous for           _____
5. 在……几岁时        _____ 
6. in addition to            _____
7. 确保；务必           _____  
8. rock music               _____
9. 古典音乐               _____    
10. not only …            _____