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

This might be hard to do when the teacher is writing on a board at the front of the classroom.

VOA: special.2009.09.06

One of the big issues to discuss is how and when to reduce deficits and economic growth measures as conditions improve.

VOA: special.2010.06.25

The situation is when farmers have to sell their produce at low prices after harvest, when supplies are greatest.

VOA: special.2009.11.17

There used to be a time when the quickest way to travel across the western United States was in a stagecoach.

VOA: special.2010.04.26

"Why did you have to marry me when there were so many other girls to choose from?" she asked.

VOA: special.2009.06.27

The Democrat rose from vice president to president when Abraham Lincoln was assassinated in April of eighteen sixty-five.

VOA: special.2010.02.11

A new mother,for example, quickly learns to try to sleep when her baby is quiet, even in the middle of the day.

VOA: special.2010.01.31

He was on his way back to the United States when he stopped to visit friends in London.

VOA: special.2009.01.14

Missus Sommers bought two costly magazines that she used to read back when she had been able to enjoy other pleasant things.

VOA: special.2009.09.05

On Thursday they protested to mark Tax Day, when Americans have to pay any federal taxes they owe.

VOA: special.2010.04.16

"I always thought submarines were amazing and it wasn't really something that was open to women when I came to the Naval Academy.

VOA: special.2010.05.21

"They arrived in a cardboard take-out box similar to when you get Chinese food to bring home."

VOA: special.2010.04.12

For instance,even native speakers are often not sure when to use "lie" and when to use "lay."

VOA: special.2010.02.11