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."
The correct words to fill the blank and complete the sentence are, acabo de verlo.
• ¿Vistes el programa de noticias? Sí, acabo de verlo.
Hay una lavaplatos en la cocina=there is a dishwasher in the kitchen
Chili está feliz pero yo estoy triste porque me voy