Vocabulary test

Fill in the missing words...
  1. I couldn't  the accident. I did not see the car.
    prevent
  2.  after 9 pm, although I went to bed at 7.
  3. Unfortunately, the driver  his seat belt. He died instantly.
  4. Sorry, it was my . (mistake)
  5. What  I tell him? What do you ? (idea)
  6. Don't  to such letters. 
  7. I shoulnd't  tomorrow.
    oversleep
  8. Thank you very much. – You're .
  9. , I think it's none of your business. (my personal feeling)
  10.  agree with you. (50%)