Final answer:
The Spanish word that best completes the sentence is "oír".
Step-by-step explanation:
The correct word to fill in the blank is oír.
The sentence "Queremos oír tus palabras" translates to "We want to hear your words."
In this context, "oír" means to listen or to hear. It is the verb form that best completes the sentence.
Learn more about Spanish verbs