题目内容：

Police in America were looking for a thirteen-year-old boy, Ben. He was a middle school student. He was lost last Friday night.

  Ben’s mother went to bed early that evening because she had a bad cold. She thought Ben was spending the night with his friend. However, Ben did not appear at the family lunch the next day. She became worried and called the police.

  That evening, Ben left home to play baseball with two friends. They both said Ben went home after the game. Some neighbors said to the police they saw a UFO flying over Ben’s house that night. So they thought Ben might be taken away by aliens.

  The police said they would not give up until they found him.

1.When was Ben lost?

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2.What did Ben do with his friends that evening?

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3. What might happen to Ben according to his neighbors?

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