She said that if they could complete one hundred thousand hours of community service,she would give the graduation speech in May.

VOA: special.2010.05.28

As part of the survey, the young people were asked how many hours of television or videos they watched daily.

VOA: special.2009.02.11

(JANIS JOPLIN - "BALL AND CHAIN") The music ended on Sunday night or,rather,the early hours of Monday, August eighteenth.

VOA: special.2009.08.10

On Thursday, the chief executive officer of BP faced hours of intense questioning at a House of Representatives hearing.

VOA: special.2010.06.19

So the I.O.M.proposed that residents be required to get five continuous hours of rest for every sixteen hours on duty.

VOA: special.2009.06.02

As part of the study, the young men and women were asked how many hours of television or videos they watched daily.

VOA: special.2009.03.10

Studies have shown that over time, most humans need eight to eight and a half hours of sleep for the best health.

VOA: special.2009.08.26

The plan seemed good. And after the first few hours of battle, the Confederates were close to victory.

VOA: special.2009.09.17

More than seven hundred fifty thousand tickets sold out within hours of going on sale in March.

VOA: special.2009.06.27

It was the result of hours of recorded discussions with New Orleans jazz great Jelly Roll Morton.

VOA: special.2010.01.25

So the Institute of Medicine proposed that residents be required to get five continuous hours of rest for every sixteen hours on duty.

VOA: special.2010.07.13

A hospital was not supposed to require more than eighty hours of duty in a week.

VOA: special.2010.07.13

For the study,they aimed for at least ten hours of sleep each night during the season.

VOA: special.2010.06.09

After hours of fighting, the Confederates had pushed the Union soldiers back through the town.

VOA: special.2009.11.05