Read the following sentence in spanish.
concha tiene bloques en la bolsa.
substitute "bloque" with a direct pronoun and explain why you use the pronoun you choose

The correct direct object pronoun that applies is:

- Concha los tiene en la bolsa.

Explanation:

All object pronouns, whether direct or indirect, focus on the noun found in the complement, not the one that performs the action, by this, when a noun is replaced as "bloques" or "blocks" by the direct object pronoun, you should proceed to think what is the personal pronoun that could be used to replace that noun "blocks" in English would be the personal pronoun "they" and in Spanish "ellos", now, taking that explanation into account, proceed to recognize the pronoun direct object that uses each personal pronoun:

As you can see, the direct object pronoun that applies to the personal pronoun that would replace blocks, that is to say, "ellos" is "los".