In the past ten years, Mos Def has become a successful actor in plays and movies.

VOA: special.2009.07.24

It grew to become one of the most successful black-owned businesses in the United States.

VOA: special.2009.05.11

Mary Cassatt had become one of the most successful artists of her time.

VOA: special.2009.07.12

Kay Yow had become a very successful basketball coach.

VOA: special.2009.03.29