21.   That is a possibility he clearly views with considerable doubt.

22.   That was already in considerable doubt when the larger issue broke open last fall with the publication of a study by a pair of researchers based in Denmark.

23.   The decision cast considerable doubt on the future of high technology sales useful to the Chinese.

24.   The decision casts considerable doubt on the future of satellite sales to the Chinese.

25.   There is considerable doubt that such programs and appeals to corporations to live up to their civic duty by hiring the hard-care unemployed can work.

26.   There is considerable doubt, however, that the United States would, based on its previous timidity -- and acquiescence to powerful U.S. corporations.

27.   There is considerable doubt whether these children in need can find, anywhere, the kind of help that was essential to my recovery.

28.   These questions, says Wachtler, haunt him to this day, which casts considerable doubt on his credibility as a contrite man.

29.   But there was considerable doubt among some nations, including Mexico and Australia.

30.   Sources said that a considerable doubt had already developed about the smooth holding of the next SAARC summit.