When a classmate says they're "pulling an all-nighter," what are they doing?

Studying or working through the entire night.

A student in their first year of university.

A document outlining the course details, assignments, and schedule.

A speech given by the professor at the beginning of each class.

 If a student says they're "dropping a class," what are they doing?

Removing the class from their course schedule.

What is "office hours" in a university context?

 The time the university buildings are open.

Designated times when professors are available to meet with students.

The hours during which you should be studying.