21.   Perry acknowledged that U.S. officials must assume another attack is possible.

22.   A German defense ministry spokesman, speaking on condition of anonymity, said officials were assuming the two military planes collided.

23.   American officials assume Chinese experts have stripped the craft of its sophisticated surveillance equipment.

24.   Annan said elected local government officials were assuming arrest and detention powers in areas where police were absent, resulting in a number of abuses.

25.   Karubi did not say when the new officials would assume responsibility for these provinces.

26.   Museum officials assume only one fifth of the illegal traffic is detected.

27.   Museum officials assume that about one fifth of the illegal traffic is detected.

28.   Museum officials assume that only about one fifth of the illegal exports are detected.

29.   Officials had incorrectly assumed the first time the loose parts on a joint that caused cars to stall were due to a problem in the assembly line.

30.   Not long ago U.S. officials would have assumed almost automatically that a candidate good enough for the United Kingdom would be good enough for them.