The candidate 'did his homework' [=studied the issues] before the debate.
She started her algebra 'homework'.
Please do/finish your 'homework'.
(..) BIFF: McFly. What are you doing? Biff. I'm talking to you, McFly, you Irish bug! GEORGE: Biff. Guys. How are you doing? BIFF: You got my homework finished? Actually, I figured since it wasn't due 'til Monday... Hello? Hello? Anybody home? Think, McFly. Think! I got to have time to recopy it. You realize what would happen if I hand in my homework in your handwriting? I'll get kicked out of school. You wouldn't want that to happen, would you? - Would you? - Of course not. (..)1985 Back to the Future