21.   One question is whether the firefighters should have foreseen the sudden shift in the winds that caused the fire to roar out of control.

22.   One line showed movements of the ailerons, the parts that control the bank angle, and depicted a sudden shift.

23.   Part of the problem people will have waking up comes from the sudden shift in lighting.

24.   Salomon itself worries about such sudden shifts.

25.   Some moderate Republicans who had been preparing to introduce legislation later this week supporting a power plant cleanup including carbon dioxide also expressed frustration with the sudden shift.

26.   Sudden shifts in the topology are not unheard of in the region.

27.   That number is expected to grow, he said, as other people come forward, encouraged by the sudden shift in the political climate.

28.   That sudden shift in policy by the president was deeply unpopular among many in the military.

29.   The best way to watch soccer is up close and in person, because then you can see the overall flow and sudden shifts of fortune that produce goals.

30.   The result of the sudden shift in perception can often be an attack of nausea, Oman said.