Herbed tomato and cheese salad

3 tablespoons sugar
3 tablespoons lemon juice
3 tablespoons cider vinegar
1/4 pound Mozzarella Cheese or Provolone Cheese, cut into 1/2-inch cubes
3 medium (3 cups) tomatoes, seeded, cut into 3/4-inch cubes
2 small (2 cups) zucchini, cut into 1/4-inch slices
2 tablespoons chopped fresh basil leaves

Combine sugar, lemon juice and vinegar in small bowl. Combine all remaining ingredients in large bowl. Pour dressing over salad; mix lightly. Cover; refrigerate at least 2 hours.