课外

I got bogged down by the difficult homework.

课外作业把我给难住。

Most of the students in the class took an active part in extracurricular.

绝大部分学生积极参加课外活动。

Too many extracurricular activities take up too much of our precious time for study.

课外活动太多,占去我很多宝贵的学习时间。