They say their findings offer one reason why the custom of cursing may have continued for so long.

VOA: special.2009.08.18

It was mostly his military skill and intelligence that kept the South in the field so long.

VOA: special.2009.12.24

The Serbian president said there will be an investigation into how Mr.Mladic avoided arrest for so long.

VOA: special.2011.05.28

(Speech) Gabe says Japan has been an ideal partner to the U.S.for so long.

VOA: standard.2009.11.11

"But meanwhile you can only do so much for so long.

VOA: standard.2009.04.06

Only the sound of insects filled the air as I walked through the empty town that summer day so long ago.

VOA: special.2009.07.04

And one that is moving continues to move at an unchanging speed, so long as no outside force influences it.

VOA: special.2011.06.01

Also,the root can stay in the ground for as long as three years, so it can be harvested as needed.

VOA: special.2010.06.08

"So the long battle to stop the leak and contain the oil is finally close to coming to an end."

VOA: special.2010.08.07

The horse still shows some of the colors the artist created so long ago: red,black and yellow.

VOA: special.2010.02.03

The list is quite long." So Professor Galloway and other researchers have developed a nitrogen footprint calculator.

VOA: special.2011.04.05

Now we are engaged in a great civil war, testing whether that nation, or any nation so conceived, and so dedicated,can long endure.

VOA: special.2011.02.07

Harrison caught a cold, probably from standing so long outside in the bitter weather of inaugural day.

VOA: special.2009.01.29

"Now we are engaged in a great civil war testing whether that nation or any nation so conceived and so dedicated, can long endure.

VOA: special.2009.11.12