11.   Still, those hoping to hear Heppner in the opera house would be foolish to let too many opportunities pass.

12.   The championship opportunity may have passed.

13.   The opportunity passed.

14.   While the company profited by selling its power when prices spiked last year, that opportunity has passed and the plants remain closed because of low prices for aluminum.

15.   But Thursday, Narongchai said the opportunity had passed.

16.   The weakest of the factions, the Bosnian Moslems, are determined not to let the opportunity pass without constructing a real army.

17.   The government and the UNITA rebels could not allow the opportunity to pass, he said.