1 . Dickinson _______________(compose) a large number of instrumental works and songs about love when he died. (所给词的适当形式填空)

2 . Mozart only lived 35 years and he ______ (作曲)more than 600 pieces of music. （根据汉语提示单词拼写）

3 . Mozart _________ his last opera shortly before his death.

A．conducted

B．composed

C．complex

D．completed