you can not pass it

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Across
  1. 3. Everybody like to listen it
  2. 4. We study it in ELS
  3. 8. Teacher give it to student
  4. 11. It is from milk
  5. 12. Students do it in the school
  6. 13. The U.S Open
  7. 15. Human need to drink for live
  8. 16. If you have trouble you need it
Down
  1. 1. It can solve the problem
  2. 2. It is a Asian language, it is difficult to pronounce
  3. 5. It is from cow
  4. 6. The better work you will do if you have it
  5. 7. People need to do it to earn money
  6. 9. The world is running by it
  7. 10. It is the only thing girls want
  8. 14. Everyone need it every night