I don't have the image they give you. But in english the sentence means "We went to downtown this week in a..." you can put "in a car" means "en un carro" but I don't have the picture. Hope this help you in something.
La peor means worst. So, basically we are saying we are not going to the beach because it's the worst than all of them. If you need any help with spanish let me know, because im fluent in it :)
