Answer: Cuestan.
Explanation: Cuanto means How much in english, so the question is asking how much those books are going to cost. Whenever you see a Cuanto in a question like that, assume it's talking about a number of something, or money. So Cuestan means cost, in the terms of "How much does this item cost?".
the answer could be te gusta
No comas el pavo
Is the correct answer
1. Tu servirás pollo y arroz para la cena.
2. Yo devolví los camarones descompuestos/malos a la pescadería.
3.El recomendado jugar fútbol los sábados.
4.Ello colgaron el dibujo en la pared.
