Writing an article

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Across
  1. 1. That's _______ I think...
  2. 2. In _______
  3. 5. I _______ that...
  4. 6. In my _______...
  5. 7. In this article, I will _______
  6. 8. For this _______...
Down
  1. 1. It is _________ known that...
  2. 3. Have you ever ______ a really fast car?
  3. 4. One _______ is...
  4. 9. To _______ up