Heather realizes that she needs to do well on the final exam, or she won't graduate.

After class, Heather meets Professor Lint in his office.

"Professor Lint," she says in a sexy voice, "I don't think I'm going to pass the class and I was hoping you could help me out."

Pretty soon, Heather and the professor are making love in his office.

Afterward, Heather asks "How's my comprehension?"

"So far so good," the professors says, "but you need to come back tomorrow at noon."

"What's tomorrow?"

"Tomorrow," Professor Lint says "is the oral part of the exam."