Answer:
La, las, lo and los are pronouns: they replace a noun (thing or person) used as the direct object in the sentence
Explanation:
¿Está viendo la última película de Almodóvar? Sí, la está viendo.
Is he watching the last Almodóvar movie? -Yes, he's watching it.
Answer:
Nosotros compramos los libros por internet.
Explanation:
Presente plural del verbo comprar (plural form of buy).