81.   Health officials worry that a sense of complacency has set in, partly because of their progress in fighting the disease.

82.   Horrors that aid officials worry are now being repeated on a new wave of innocents from the war-torn Serb province of Kosovo.

83.   Human rights officials have worried about possible tampering at grave sites, either by soldiers trying to hide evidence or by returning refugees.

84.   If it takes place, a withdrawal would help ease tensions that U.S. officials worry are undermining support for the American-lead war in Afghanistan.

85.   If Miller fails the course, army officials worry about the public relations fallout.

86.   Immigration officials had long worried that such deaths would occur.

87.   In Carnation, officials worry about leaks in the Tolt River.

88.   In Japan, Russia, and Mexico, officials worry about plunging currencies.

89.   In particular, some Taiwan officials worry that the immigrants would pose a serious threat to national security in the event of a war.

90.   In particular, some officials worry that the migrants pose a serious threat to national security in the event of a war.