Answer:
Están
Explanation:
Marcos y Martha están tristes porque no tienen dinero para ir al cine con sus amigos el viernes.
Lo major es ser franco
Answer: c. buscan
buscar is the verb.
conjugate it in ellos/ellas form : buscan
Answer: The answer is Son
Explanation: It is the masculine form of "they are" which when added to the sentence means "My brothers are very hardworking."