He solved a large number of problems.

It is important to understand this repetitive pattern.

When I woke up at dawn, fresh air filled my lungs.

His room is always in a terrible state.

Each class conducts lessons in their respective classrooms.

He caused a revolution in science.

This program has fallen into an infinite loop.

Each class conducts lessons in their respective classrooms.

Each student brought their own homework.

Please tell me your opinions, each of you.