Answer:
The correct answer is Juan y David son de los Estados Unidos.
Step-by-step explanation:
The verb SER in Spanish is one of the first verbs you must learn. It is used to describe appearances, identity, family relationships, when and where an event takes place, time and date. Another of its uses is, as in this case, for nationalities.
Let's see how to conjugate this verb for each person in Spanish, adding a nationality:
- yo soy Argentino
- tú eres De México
- él/ella es Alemán
- nosotros somos de los Estados Unidos
- ellos son Cubanos