Combine soy sauce,
rice wine, sake (or dry sherry) and sugar in medium bowl and stir until
sugar is dissolved. Add scallops and let stand for 30 minutes, turning
occasionally.
Drain scallops, reserving marinade. Preheat broiler. Line broiler pan
with foil. Brush broiler rack with vegetable oil. Place scallops on rack.
Brush lightly with marinade. Broil about 4 inches from heat source 4-5
minutes or until brown.
Turn scallops with
tongs and brush lightly with marinade. Broil 4 to 5 minutes or just until
scallops are opaque in center. Serve immediately.