Final answer:
The correct form to fill in the blank is 'conozco' because it indicates not knowing someone.
Step-by-step explanation:
The correct answer is OB. conozco.
The sentence should be: Yo no conozco a Verónica.
Conocer is used when you are familiar with someone or have met them before. In this sentence, it indicates that the speaker does not know Verónica.
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