Since the pronouns me, te, nos, and os can be either direct or indirect object pronouns, this exercise focuses on the difference between all 3rd person pronouns.
DO pronouns:lo, la - him, her, it, you-formal los, las- them, you-all-formal
IO pronouns:le - to (for) him, to (for) her, to (for) you-formal) les - to (for) them, to (for) you-all-formal)
Select either the direct or indirect object pronoun. The translations are given for the first set.