Pre-test

Choose the correct expression.
  1. While I  TV, she  .
  2. When we came out of the house, it  .
  3. I  and then I  home.
  4. When I  at her, I knew at once that she was guilty.
  5. He called me when I  no time.
  6. When I saw him, he  a yellow tie.
  7. He called while I  an important meeting.
  8. How long  to work?
  9. I  what he was saying.
  10. What  at 7 o'clock?