Final answer:
The correct form of the verb to complete the sentence is 'estar' due to its use for temporary states or locations.
Explanation:
Estar is the correct form of the verb to complete the sentence Nosotros estamos en Madrid. In Spanish, ser and estar are two different forms of the verb 'to be' used depending on the context:
- Ser is used to describe inherent characteristics or permanent states.
- Estar is used to describe conditions, locations, or temporary states.
Learn more about Spanish verbs ser and estar here:
https://brainly.com/question/23822756
