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.
Incorrect
The right answer is: Nosotros viajamos a Perú.
Yo trabajo en la oficina. Yo lavo mis manos en el baño. Yo cocino mi comida favorita en la cocina.