Greek Pasta Salad

½ cup olive oil
½ cup red wine vinegar
1 ½ tsp. garlic powder
1 ½ tsp. dried basil
1 ½ tsp. dried oregano
¾ tsp. ground black pepper
¾ tsp. white sugar
3 cups fresh sliced mushrooms
1 cup sliced cucumbers
15 halved cherry tomatoes
1 cup sliced red bell peppers
¾ cup crumbled feta cheese
½ cup chopped green onions
4 ounces black olives
1 ounces sliced pepperoni sausage, cut in half
2 ½ cups cooked macaroni

In a large bowl, whisk together oil, vinegar, garlic powder; basil, oregano, black pepper and sugar.  Add cooked pasta, vegetables, cheese, olives and pepperoni.  Toss until all ingredients are well coated.  Cover and chill for 2 hours.