Final answer:
The blank in the sentence should be filled with the Spanish word 'nadie', which means 'no one' or 'nobody' in English.
Step-by-step explanation:
The blank in the sentence should be filled with the Spanish word nadie. The sentence translates to 'I don't see anyone to help us in this store.' 'Nadie' means 'no one' or 'nobody' in Spanish. It is used to indicate the absence of a person or people.
Learn more about Spanish vocabulary