Manufacturers may use food additives for preserving, to color, or to flavor, or to fortify foods24/50Choose A, B, C, or D on your answer sheet to show the underlined part that needs correction. Manufacturers may use food additives for preserving, to color, or to flavor, or to fortify foods.may usefor preservingto flavorfortify foodsGiải thíchĐáp án C for preserving => to preserve