Steak Kabobs

Ingredients

• 2 c. tomato juice
• 1/2 c. vinegar
• 1/4 c. prepared mustard
• 2 tsp. sugar
• 2 tsp. salt
• 1/2 tsp. pepper
• 1 1/2 lb. beef sirloin steak, cut into 1 1/2-inch cubes
• 1/2 lb. mushroom caps
• 1 large green pepper, cut into 1-inch pieces
• 1/2 pineapple, cut into 1-inch pieces