Perhaps such was the case; possibly, the professor had known how Paula's mind would run.

"How did the professor know when you had made your escape?"

The professor knew that his three people were just coming out of the trees.

He couldn't get used to the idea that perhaps his professors knew what they were talking about.

I think he and the prof knew something was up.

The professor knew its history well, and over coffee he related it.

I suppose it's fun to let the professor know you'd just as soon listen to someone else.

I was sure the professor and the class knew I'd cheated, but nothing ever came of it.

Sometimes the professor knew about the case, other times he did not.

I don't want just some old professors to know me.