The candidate 'did his homework' [=studied the issues] before the debate.
She started her algebra 'homework'.
Please do/finish your 'homework'.
(..) Yes, that's good, because I am telling you, if anybody in this place has the PX- serum, it's him. All right, all right, homework done, pajamas on, teeth brushed, time for bed. What's the big hurry? I just have a lot of work to do. Work, what kind of work? (..)2013 Despicable Me 2