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

Rudolf found it hard to believe that there was someone in the world who did not know what violin was.

VOA: special.2010.05.08

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

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

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

Everybody answered the questions well, intelligently, while he - why, dear me - he did not know anything, so to speak.

VOA: special.2009.01.03

Everybody answered the questions well, intelligently,while he C why,dear me C he did not know anything, so to speak.

VOA: special.2010.03.27

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

I did not know she was married!" Language expert Webb Garrison tells an interesting story about the expression.

VOA: special.2010.02.14

Percival Lowell did not know that his eyes played a part in the markings he saw on Mars.

VOA: special.2010.07.11

They died because they did not know that burning wood products creates a deadly gas - carbon monoxide.

VOA: special.2010.02.02