Past simple or past perfect 2

Choose the right answers, and then press "Check".
  1. William in Boston for six years before he moved to New York.
  2. The blue car crossed the street after the lights red.
  3. After Joanna her presentation, we asked our questions.
  4. On her first day at the driving school, we were very nervous because we a car before.
  5. Then I began looking for my notes that I on a sheet of paper.
  6. Now that I my notes, I wanted to continue writing my essay.
  7. Bob didn't let us into his room because he it for weeks.
  8. After we Mum we went to the hospital.
  9. He gave me the DVD back after he it.
  10. After we to the concert we ate at a snack bar.