Final answer:
The most appropriate verb to fill in the blank is 'barrer' meaning 'to sweep.'
Step-by-step explanation:
In the given sentence, the verb that best fits the context is barrer, which means 'to sweep' in English. 'Estoy ilmplando la casa' translates to 'I am cleaning the house,' so the most appropriate verb is 'barrer,' as it aligns with the action of cleaning.
Learn more about Spanish verbs