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On 20 January 2009 Barack Obama became the 44th president of the United States.

Young people around the world have been answering four questions for the BBC website and BBC World Class. The questions are:

• If Barack Obama visited your school, what would you do with him?

• What would you give Barack Obama?

• What's the first thing that Barack Obama should do when he becomes president?

• What do you think of Barack Obama?

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