问题补充：
She usually music free time.
A. listens to; in her
B. listens; in her
C. hears; in she
D. hears; in her
答案：
(答案→)A. listens to; in her
B. listens; in her
C. hears; in she
D. hears; in her
解析：句意：她经常在她的空闲时间听音乐。listen为不及物动词，后面跟宾语时需加介词to，hear意为“听到”her为形容词性物主代词，修饰free time；故选A。
