2) Yo creo que comida Mexicana se escucha apetitosa por toda la buena comida que tiene, como tacos, burritos y Cemitas
3) Si yo tuviera tres alimentos de paises con culturas hispanas que yo pudiera elejir a mi me gustaria probar algo que nunca e comido como Paella, Empanadas, y Crema Catalana
Those are just some corrections I think were a bit off but if you don't want to change them then I don't think you have to although I do think you should :)
