Language Development: A Crossword Puzzle

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Across
  1. 2. The study of how people learn their first and second languages (24 letters)
  2. 5. The stage where children's language skills become more advanced, resembling adult speech (14 letters)
  3. 7. The stage where babies make sounds like "goo goo" and "ga ga" (11 letters)
  4. 8. The language you learn after your first language (14 letters)
Down
  1. 1. The stage where children's sentences become more complex, but may miss some words (15 letters)
  2. 3. The stage where children use single words to communicate (11 letters)
  3. 4. The stage where children combine two words to form simple sentences (11 letters)
  4. 6. The language you learn first (13 letters)