我在大学选修了法语。

I chose French as my ___elective in college.

这门选修课非常受欢迎，很多学生都报名了。

This ___elective course is very popular and many students have signed up.

她决定竞选学生会主席这个选举职位。

She decided to run for the ___elective position of student council president.