必修的

Which subjects are compulsory in your school?

在你们校里， 哪些课程是必修的？

Is English an optional lesson, or does everyone have to learn it?

英语是选修课还是每个人必修的课程？

This is a prescribed course which spreads over two semesters.

这是门两个期完的必修课。

Three subjects must be taken, viz., English, mathematice and history.

三个科目是必修的, 即英文, 数和历史。