But states decide how much students need to know to show "proficiency."

VOA: special.2010.03.18

In a crisis,first responders know to look for the card on the refrigerator, to learn the victim's language and other important information.

VOA: standard.2010.07.22

He says they have been given what they need to know to ensure the safety of airplanes and marine vessels in the region of the planned launch.

VOA: standard.2009.03.12

We want to know what you have to say about the effects of the Internet on language and writing.

VOA: special.2010.01.28

The jester said, "If these wise men do not know how to hide the moon, then the moon cannot be hidden."

VOA: special.2009.03.28

It is also important to know what to do if the signs appear -- in yourself or in someone else.

VOA: special.2010.07.27

Many people who come to Las Vegas in hopes of winning lots of money do not know when to stop gambling.

VOA: special.2010.03.14

She said she changed her name because she did not want her parents to know what she was doing.

VOA: special.2009.10.04

A lot of Americans may be surprised to know that it was written without saying anything directly about sports.

VOA: special.2010.03.04

And when the pruning is done in August, the lambs -- well, you might not want to know this part.

VOA: special.2009.07.14

Experts say it is important to know the danger signs of the medical disorders linked to hot weather.

VOA: special.2010.07.27

When you're teenagers, you don't quite know what to write on there. Little Os and Xs for kisses and things like that.

VOA: special.2010.02.08

Danijel Djordjic wants to know who was the first American to win the Nobel Prize in Literature.

VOA: special.2009.03.13

Mike Lizotte of American Meadows, an online store, says before you start, you need know whether to plant tender bulbs or hardy bulbs.

VOA: special.2011.04.12