In a large saucepan, bring 6 cups water to a boil. Add broccoli; cook, uncovered, 3 minutes. Drain and immediately place broccoli in ice water. Drain and pat dry., In a large nonstick skillet, saute peppers in oil for 3 minutes or until crisp-tender. Add the broccoli, garlic, oregano, salt and pepper; cook 2 minutes longer. Add the tomato; heat through. Sprinkle with cheese.