11.   First, he has to expend a lot of energy trying to guard Bulls star Michael Jordan.

12.   For years, Tom Phillips, chief justice of the Texas Supreme Court, has expended a lot of his considerable intellect on the issue of judicial selection.

13.   In his preparation and in the warm-up he expended a lot of energy.

14.   Instead, they are coming to terms with an unfamiliar sense of failure and expending a lot of effort trying to explain it.

15.   No need to rush back down after expending lots of energy to make it up.

16.   Renick and his talented set and lighting designers, Jeff Cowie and Michael Lincoln, have expended a lot of technological showmanship here.

17.   The intensity was there and they expended a lot of energy.

18.   The intensity was there, and they expended a lot of energy.

19.   The study showed a person expends a lot of energy by driving competitive laps on a track.

20.   They expend a lot of energy looking for prey, or bad bugs, so why not make it easier for them?