Yes, you can

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Across
  1. 3. Spongebob's pet
  2. 4. The green giant from Marvel
  3. 5. We use them to cut paper
  4. 7. The season of the flowers
  5. 8. The misture of green and yellow
Down
  1. 1. Steve... Captain America's name
  2. 2. A popular sport in the USA
  3. 4. Harry Potter's friend
  4. 6. Clark Kent