11.   A U.S. official predicted that the conflict could cost tens of thousands of lives, most of them civilians.

12.   According to dealers and organizers, the disruption has cost them tens of millions of dollars in revenue.

13.   But the cost of fighting the war in Afghanistan has already cost tens of billions of dollars.

14.   But the system would cost tens of millions of dollars to install, and that remains a big sticking point.

15.   But the tobacco companies rebelled and began a national advertising campaign against the bill said to cost tens of millions of dollars.

16.   But, in true NASA style, it costs tens of millions of dollars and cannot be fixed while in orbit.

17.   Dennis Cocking, spokesman for the district, said that it will cost tens of millions of dollars to clean up the wells or drill new wells.

18.   Efforts to clear the mussels from the pipes of power plants and other structures have cost tens of millions of dollars, federal biologists say.

19.   Even relatively small projects can cost tens of thousands of dollars.

20.   Fashion designers like to buy antiquities, preferably large classical Greek torsos or Roman busts that cost tens of thousands of dollars.