Soak sun-dried tomatoes in boiling water 5 minutes; drain and chop. In medium saucepan over medium heat, heat oil; add sausage. Cook until sausage is done, stirring occasionally; add garlic. Cook 1 minute. Add mushrooms, green pepper and onion; cook 3 minutes or until soft, stirring occasionally. Stir in remaining ingredients except pasta and cheese; cook, covered, 30 minutes. Meanwhile, cook pasta according to package directions. Top hot pasta with sauce and cheese.