1.   I sat in the pie shop kicking my heels and pondering the problem.

2.   He continued to ponder the problem as he walked home.

3.   As you sit pondering your problem, the dolphin leaps in a graceful arc to get a better look at you.

4.   Before I left last November, I spent several productive hours in Electronics Plus, pondering the problems associated with plug adapters, surge suppression and ungrounded outlets.

5.   Confused by the Jackson-Mashburn feud, Kidd said his play suffered because he spent more time pondering personal problems than preparing to play.

6.   Dr. J. Craig Venter has had to ponder that problem sooner than he expected after being forced out as president of Celera Genomics in January.

7.   Engineers pondered the problem.

8.   For some time, she obviously has pondered the problems that confronted her husband in his fatherless childhood when he was reared alternately by his mother and grandmother.

9.   Jeffrey Graham, a researcher at the Scripps Institution of Oceanography, has been pondering the problem since childhood.

10.   The practical man has pondered the problem and planned an attack.