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

She had no idea who Wallace Gray was or how he was involved in any of this.

VOA: special.2010.10.30

Then the question is: how fast or how slow will the recovery be?

VOA: special.2009.08.21

Experts sometimes have difficulty estimating where,when or how much snow will fall.

VOA: special.2010.01.05

He did not know where he was or how he got there.

VOA: special.2009.02.02

Jeffrey Olson says experts do not know what will take the place of the plants and animals that are lost, or how wildlife will survive in a changed environment.

VOA: special.2009.09.28

'Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof ' Those sixteen words provide the framework for how we deal with religion in our public schools."

VOA: special.2009.12.24

We are worried because we do not know how long they will stay or how we will take care of them.

VOA: standard.2009.10.27

"Everyone is really good at telling everyone else how to live their life or how to be or do it."

VOA: standard.2010.03.08

Fahmy Howeidy, a prominent Egyptian columnist, says it is not clear how long or how inclusive the new border opening will be.

VOA: standard.2010.06.01

"What was on his computer, nine pages of handwritten material that refers to fuses, or how to put together ignition devices for a larger explosion,"

VOA: standard.2009.09.20

He said people could not control their reputation or how they were perceived, but that they could control their character, and that was much more important.

VOA: standard.2010.06.05

"In the Philippines and all over Asia, fertilizer has been overused and misused because no one explains to them how much they need or how to use it."

VOA: standard.2010.07.28

"I think the bloom is off the rose but I don't think they quite knew who else it could be, or how to make it be someone else or facilitate a free and fair election.

VOA: standard.2009.08.03