11.   And the Internet may yet prove as significant a communications breakthrough as the telephone.

12.   And yet after a somewhat hesitant start, she proves herself as fluent in evoking the common ground of adolescence as she did in limning her anomalous girlhood.

13.   Any substitutes must prove as effective at dry cleaning and degreasing, while also being biodegradable and nontoxic.

14.   Are you worried now about having to prove yourself as an effective governor?

15.   As he demonstrated with his trade of Bryan Berard for Felix Potvin, Milbury still has much to prove as an executive.

16.   As this night proved.

17.   Astronomers will attempt to prove as much using the new spectrograph to measure the velocity of stellar debris swirling around suspected black holes.

18.   Beginning as a studio artist, filling in backgrounds on the drawings of others, Jones quickly proved himself as an artist.

19.   Both have proved themselves as starters.

20.   About a week ago, Giants Coach Dan Reeves said Kent Graham would have every opportunity to prove himself as starting quarterback, just like Dave Brown.