Which of the following was NOT an audition song that one of the New Directions members sang?

What line of work does Mr. Schuester consider switching to from teaching when he finds out his wife, Terri, is pregnant?

They were cast 2 days before shooting for the pilot began!

She was originally brought on to help teach the 'Single Ladies' dance for episode 4 "Preggers"

How well do you know season 1 of the hit television show, Glee?