11.   AIR TRAVEL SECURITY GAPS PERSIST Major gaps remain in aviation security nearly two months after the terrorist attacks.

12.   But a huge gap remains with entertainment programming.

13.   But as this English class demonstrates, a gap remains between former Eastern bloc armies and those of the West.

14.   But gaps remained between the docking area and the areas where containers could be unloaded.

15.   But gaps still remain.

16.   But he said the gap remains wide on the issue of tax cuts.

17.   But officials from all sides say large gaps remain on most issues.

18.   But significant gaps will remain.

19.   But the gap will remain.

20.   But the gap remains huge and may have only temporarily receded.