Final answer:
The blank in the sentence should be filled with the word "any". This question is testing knowledge of indefinite pronouns in English grammar.
Step-by-step explanation:
In this sentence, the blank should be filled with the word any. The sentence would read, "Bring me any pins. I have none."
Using any in this sentence means that the person is open to receiving any number or quantity of pins. It does not specify a specific number or amount.
This question is testing your knowledge of indefinite pronouns, which are used to refer to a non-specific person, thing, or amount. In this case, "any" is an indefinite pronoun that can be used to refer to a non-specific or unknown number or quantity.
Learn more about Indefinite pronouns