21.   Muhammad had certainly covered the ground as far as etiquette was concerned.

22.   The ground was covered with crumbling mud bricks, heaps of cracked white stone.

23.   At first she covered the ground fairly easily and quickly, but, as with even the best-laid plans, things went wrong.

24.   Detectives are also viewing hours of video tape from cameras covering the grounds of the four offices involved.

25.   If any murderer lurked there, they would have to cover the ground and he had brought something special.

26.   Although snow no longer covers the ground, a late season storm will likely bring a fresh snowfall to northern Michigan on Sunday night and Monday.

27.   Although frost will cover the ground in parts of the Appalachians and Tennessee Valley on Saturday morning, the afternoon will turn much milder.

28.   And man, that dude can cover some ground.

29.   As deer picked their way along the nearby ridge, the human visitors imagined the emerald-green shoots that would cover the ground by next spring.

30.   At the time, the grounds were covered with weeds, tombstones were broken and monuments were in disrepair.