Which subjects are compulsory in your school?

在你们校里， 哪些是必修的？

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

英语是选修还是每人必修的？

This is a prescribed course which spreads over two semesters.

是门两期完的必修。

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

三是必修的, 即英文, 数和历史。