Vegetables that cats can eat include: cabbage, bok choy, pumpkin, cucumber, carrot, corn, broccoli, and tomatoes.
Fruits that cats can eat include: watermelon, cantaloupe, banana, apple, strawberry, blueberry, etc.

However, please note that cats are carnivores and should primarily eat cat food. Vegetables and fruits should only be given as supplements, and in moderation, otherwise they can easily cause diarrhea. Also, some vegetables and fruits are toxic to cats, such as onions, chocolate, cherries, and grapes, and should be avoided when feeding them to cats.