Correct

自修

/ zìxiū / 
Strokes

Definition

to study on one's own/self-study

Example

As a Verb

(of students) study by oneself

1
Zìxiūshì
自修室

study room

2
Zàijiā
在家
zìxiū
自修

study by oneself at home

As a Verb

study on one's own; study independently; teach oneself

3
Zìxiū
自修
le
了
dàxué
大学
de
的
quánbù
全部
kèchéng
课程

complete on one's own all the courses offered by the university