Preheat the oven to 350 degrees F (175 degrees C).Place the pizza crust on a large cookie tray or pizza pan. Brush thecrust evenly with olive oil. Spread tomato sauce over it with aspatula or back of a spoon. Sprinkle vegetables evenly over thesauce, and top with cheese.Bake for 10 to 12 minutes, or until cheese has melted and is bubbly.Let cool for 2 to 3 minutes before cutting.