Use the following prepositions to complete the verb: in, on, for, off, with, away, after, back, through, up.
Bob will join us when he’s done ........… his homework.
REPONSE
[waiting name="chrono 30s"] [timed-content-client show="0:31:0" display="div"]Bob will join us when he’s done with his homework.[/timed-content-client]