Final answer:
The question is about the day of the week in Spanish. The correct answer is 'es'.
Step-by-step explanation:
The subject of this question is Spanish. The question is asking about the day of the week, and the given phrase indicates that it is Saturday, February 7th. In Spanish, the days of the week are not capitalized, so the correct answer to fill in the blank would be 'es'.
Learn more about days of the week in Spanish