Fill in the blanks!

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Across
  1. 4. A long time ago, Kim-chi was OOOOO.
  2. 5. When did people start to eat bulgogi?
  3. 6. People lived in OOOO in the Old Stone Age.
Down
  1. 1. Korean started to eat OOOO from the Bronze age.
  2. 2. Where did live in New Stone Age?
  3. 3. How does red pepper taste?