Heat oven to 350°F. Cook and drain pasta as directed on package.
Meanwhile, in 2-quart saucepan, heat tomato sauce and wine to boiling over medium heat. Reduce heat to low; simmer 4 minutes. Remove from heat; stir in half-and-half. In ungreased 13x9-inch (3-quart) glass baking dish, spread 1 cup of the tomato sauce.
In medium bowl, mix shrimp, imitation crabmeat, asparagus, tomatoes, cream cheese and 1/2 cup of the mozzarella cheese. Spoon about 1/4 cup seafood mixture into each pasta shell. Arrange in baking dish. Pour remaining tomato sauce evenly over shells.
Cover dish with foil. Bake 25 to 30 minutes or until hot. Top with remaining 1 1/2 cups mozzarella cheese. Bake uncovered 5 to 10 minutes longer or until cheese is melted. Sprinkle with basil before serving.