21.   I did not begin my research assuming that the evil North has been exploiting the poor old South.

22.   In particular, he said that Microsoft would now begin research efforts aimed at fundamentally reinventing entire components of the computer industry.

23.   In the end, she said, some countries may have to abandon house spraying altogether and begin research on other, cheaper alternatives.

24.   In response to rising fears about bioterrorism, the Cambridge biotech company had begun preliminary research to produce a vaccine that could defend against anthrax and smallpox.

25.   Kays has been with the State Museum for two years and began his research with Patterson while he was doing postdoctoral work at The Field Museum.

26.   Law enforcement agencies should begin serious research into the question of when the sentences work and when they do not.

27.   Ms. Bernstein had barely begun her research when she found that historians generally dismiss this vision of what happened at the turn of the last millennium.

28.   Other useful places to begin your research are portals that focus on specific aspects of travel.

29.   Prince Philip warned of lawsuits when Kelley began her research.

30.   Professors began research together.