Final answer:
Direct object pronouns are used to replace direct objects in Spanish sentences. Examples include 'los', 'la', and 'los' referring to various objects in the sentences.
Step-by-step explanation:
The direct object pronouns in Spanish are used to replace a direct object in a sentence.
In the given examples:
- Mariela va a comprarlos. (Mariela is going to buy them.)
- Sebastian ya a pagarla con tarjeta de crédito. (Sebastian is already going to pay for it with a credit card.)
- Paquito y Omar los jugaron juntos. (Paquito and Omar played it together.)
The direct object pronouns used in these sentences are los, la, and los respectively, referring to the shoes, the clothes, and the baseball, in the plural and singular forms.
Learn more about Direct object pronouns in Spanish