“必修的”造句

俄语在学校课程设置中是一门必修的外语课。
Russian is the one compulsory foreign language on the school curriculum.

某些课程是必修的，其他是选修的。
Certain courses are compulsory, others are optional.

三个科目是必修的, 即英文, 数学和历史.
Three subjects must be taken, viz., English, mathematice and history.

• #必修的