11.   BestOffer, which will probably need more money by the end of the year, is likely to seek another private round.

12.   Blood, whether from people or rats or birds, is needed by female mosquitoes to lay eggs.

13.   Botswana, a relatively wealthy African country, hopes to provide the medicines to all of its citizens who need them by the end of the year.

14.   A wireless E-mail service answers that need by enabling business travelers to send and receive electronic messages almost anywhere in the United States.

15.   But few television programs discuss fiction, because the familiarity needed by the viewer usually requires reading the book.

16.   From bakers to banks, more small companies are saving cash and getting the added income they need by buying through the age-old practice of barter.

17.   I can get all the hard-breathing thrills I need just by commuting to work on the interstate highway at rush hour.

18.   I suspect that by then he needed them.

19.   I needed him by my side.

20.   If they needed one more awful performance by the offense -- a dropped pass, a sack, anything -- it was there.