Final answer:
The correct answer is 'OD. ibas', which means 'Did you go' in English.
Step-by-step explanation:
To fill in the blank in the question, we need to use the imperfect form of the verb 'ir,' which means 'to go' in English. The correct option is OD. ibas, which translates to 'Did you go' in English. This form is used when asking about a habitual or repeated action in the past.
Learn more about Using the imperfect form of the verb 'ir' in Spanish questions