Mi hermano [blank] mucha tarea anoche translates to "My brother [blank] a lot of homework last night". The options are listed below.
· haco - not a word in Castilian Spanish
· hizo - "did"
· hició - not a word in Castilian Spanish
· hació - not a word in Castilian Spanish
Hizo is not only the grammatically correct option, but it is also the only option in Spanish.
Mi hermano hizo mucha tarea anoche.