Baby Talk

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Across
  1. 5. What is carried out to test knowledge?
  2. 8. Who can't hear?
  3. 9. What can non-mute people do?
Down
  1. 1. What is used when talking to the deaf or dumb?
  2. 2. What word can I use to replace the word "investigation"?
  3. 3. Who is able to distinguish sounds?
  4. 4. What word can I use to replace the words "gradually improving"?
  5. 5. What are the names of children who are from 1 to 1.5 years old?
  6. 6. What word can I use to replace the word "increase"?
  7. 7. What word can I use to replace the word "always"?