Let us say I want to sell my car but I do not know exactly how much it is worth.

VOA: special.2009.04.12

"Vice President Lyndon Johnson has left the hospital in Dallas, but we do not know to where he has proceeded.

VOA: special.2009.08.16

why,when we do not sleep, we do not function well. We just do not know much about sleep at all."

VOA: special.2009.08.26

I do not know what else to do but make the best of a bad deal and shake hands over it."

VOA: special.2009.06.27

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

He told the president, "You do not know the dishonest purposes of those men as well as I do."

VOA: special.2009.08.13

But Chad Reissig says scientists do not know a lot about them and how they interact with each other and caffeine.

VOA: special.2009.07.22

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

Carbon monoxide is called the silent killer because people do not know it is in the air.

VOA: special.2010.02.02

They do not know why da Vinci painted it, or how it ended up in the collection of French ruler Francis the First.

VOA: special.2010.06.23

The scientists say they do not know how the treatment would work with patients who have no sensation at all below the injury.

VOA: special.2011.06.01

How could I answer the child? I do not know what it is any more than he.

VOA: special.2009.04.12

Amanda says she does not want children to ever give up because they do not know what they can do until they try.

VOA: special.2009.07.31

What many people do not know is that it was meant sarcastically, as just the opposite.

VOA: special.2011.06.27