English attitude is altitude

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Across
  1. 3. name of helping verbs.
  2. 4. can win writer of this book.
  3. 6. knocked thousand doors before he got his first order.
  4. 7. in act as a.
  5. 8. of KFC chicken.
Down
  1. 1. failed approach matli 10000 times while he was working on the bulb.
  2. 2. tube inventor .
  3. 3. of every success story is also a story of great failure.
  4. 5. of outclassed.