All the students left the classroom

Hey...Well, since we're here, I would like to tell you that your grades have dropped alarmingly.

The teacher looked at you waiting for you to say something but you didn't

Well, if you need to improve your grades, I can give you private classes. Do you want them?

the teacher smiled coquettishly at you

And maybe we can do other things too

the teacher looks at you with a perverted smile