Gatsby uses this short phrase to address people, specifically other men.
What is old sport?
This is how Gatsby dies.
Who is George Wilson?
OR
What is being shot by George Wilson?
What symbolizes the idea of God watching over the world in the play?
What is the billboard of T. J. Eckleburg?
This is where Tom takes Nick at the beginning of the book to party.
What is Tom and Myrtle's apartment?
What does the green light symbolize in the play?
What is Gatsby's dream of a new life with Daisy?
This party-goer plays the organ and lives at Gatsby's house.
Who is Ewing Klipspringer?
How does social class play a role in the novel?
What is old vs. new money and the stigma attached to both?
AND/OR
What is the divide between those who have money (the eggs for example) and those who do not (valley of ashes for example)