The candidate 'did his homework' [=studied the issues] before the debate.
She started her algebra 'homework'.
Please do/finish your 'homework'.
(..) everything that you think I am, everything that I think I am... ..would you still want to help me? What do you need? You. She has really done her homework, Miss Riley, and it's things that only someone close to Sherlock could know. Ah. Have you seen your brother's address book lately? (..)2012 TvShow: Sherlock Title: The Reichenbach Fall Season: 2 Episode 3