Place kabobs on the grill rack. If using a covered grill, close lid. Grill until scallops are opaque (and shrimp turn pink). (For a covered grill, allow 2 1/2 to 4 minutes. For an uncovered grill, allow 6 to 8 minutes, turning occasionally to cook evenly.)
Comments: A little bit sweet, a little bit tangy, these seafood brochettes - soaked in a simple marinade of sherry, mustard, honey, and soy sauce - can be made with scallops, shrimp, or a combination of both.