Multiple answers, the questions says lettuce, _______, and green peas are vegetables. So pick a vegetable and name it. The other commenter was correct, las zanahorias are carrots. El maiz is corn, los tomates are tomatos, la papa is a potato, la cebolla is onion, so on and so forth. Just choose one.
El Paso–Juárez, also known as Juárez–El Paso, the Borderplex or Paso del Norte, is a binational metropolitan area, or conurbation, on the border between Mexico and the United States.
Just consider it in your grammar and learn on how to speak it fluently, just keep on learning.
^^