期中考试的成绩占总成绩的百分之三十。

The ___midterm exam accounts for 30% of the final grade.

数学期中考试将在下周三举行。

The math ___midterm will be held next Wednesday.

许多人认为中期选举是对现任总统表现的公投。

Many people see the ___midterm elections as a referendum on the current president's performance.