How to i introduce myself in spanish?

Your best friend paul tells you that his father wants to cook panamanian ceviche, but he is missing one ingredient. how can you ask what he wants? ? usted prefiere la cebolla? ? usted quiere la cebolla? ? usted tiene la limonada? ? usted quiere la limonada?

El le hizo una pregunta al candidato. a. semanario b. periódico c. reportero d. diario

When analyzing setting the reader should consider