Final answer:
The appropriate verb to fill in the blank is 'mira'.
Step-by-step explanation:
The appropriate verb to fill in the blank in the sentence is OC. mira.
The subject 'Usted' is the formal second person singular form of 'you' in Spanish.
Therefore, the correct sentence would be: 'Usted mira la televisión todos los días.' which translates to 'You watch television every day.'
Learn more about Using the correct verb in Spanish sentences