"One has been the strong performance of the national immunization program.

VOA: standard.2009.11.10

It has been one year since President Obama signed the economic recovery bill aimed at pulling the country out of recession.

VOA: special.2010.02.19

The researchers say the maternal death rate has been falling almost one and a half percent a year since nineteen ninety.

VOA: special.2010.04.14

One that has been repeated many times says: "Here Lies Lester Moore, Four Slugs from a Forty-Four, No Les,No More."

VOA: special.2010.02.15

It has been said that Napoleon was successful because he knew the field position of every one of his guns.

VOA: special.2009.11.01

"Atlas Shrugged" has been named in several opinion studies as one of the best and most influential books of the twentieth century.

VOA: special.2010.06.06

As a result, one side of the fault area lifts, causing the pressure that has been building up inside to be released.

VOA: special.2009.07.07

In fact,the Murano glassblowing tradition has been a major influence on one of the most famous American glass artists today, Dale Chihuly.

VOA: special.2009.09.16

but that,by our frame of government, that principle has not been made one of legal obligation;

VOA: special.2009.02.09

The British company Cadbury has been selling chocolate products for over one hundred eighty years.

VOA: special.2010.02.17

That person won a battle with what has been called one of nature's fiercest creatures.

VOA: special.2011.03.15

It has been called one of the most influential nonfiction books of the twentieth century.

VOA: special.2009.10.18

Experts say Aquarius will gather as much information about sea surface salinity as has been collected by ships over the past one hundred twenty-five years.

VOA: special.2011.06.22

Organizers in Vancouver say the athletes will notice very little difference between a natural ski slope and the one that has been built for the games.

VOA: special.2010.02.10