In a large skillet, sauté shrimp in olive oil for several minutes. Add zucchini, green onions & garlic; stir-fry for several minutes. Add mushrooms & sauté over medium-high heat until mushrooms release their liquid & soften, about 5-6 minutes. Add ginger, soy sauce & water; cover pan & cook on low heat for several minutes or until cooked. Set filling aside. Grate cheese.