11.   My mother had died when I was six and my father worked day and night trying to keep food on the table.

12.   Next year, they will work to try to get the state tax on their services repealed.

13.   That is why Bradley and his aides worked hard to try to head it off.

14.   The good news is that the best and the brightest generally go to work trying to stop the worst and the dullest.

15.   The Kuwaitis are still working trying to rebuild their oil industry after the war and expand production to meet expected increases in demand in the next century.

16.   The National Right to Life Committee has been working to try to change three provisions within the bill that it finds objectionable.

17.   A number of scientists have worked to try to replicate the process.

18.   After watching the show, Oliveira went to work trying to recreate the avocado concoction.

19.   Britain has been working to try to get a gradual resumption of exports.

20.   Criado said the association was constantly working to try find more living volunteers but said their dispersal throughout the world made the task extremely difficult.