English around thw world

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Across
  1. 5. someone tell you something that you must do it
  2. 7. the total number of words you know in a particular language
  3. 8. happens often
  4. 10. the period of time that we are in now and the things that are happening now
  5. 12. one thing develops from the other thing
  6. 13. the second of two or the second mentioned of two
  7. 14. an activity, or an event which is usual or traditional in one country
Down
  1. 1. an act of traveling by water
  2. 2. over a long period of time, not suddenly
  3. 3. it is easy to see or understand
  4. 4. a major road that is built for fast travel over long distances
  5. 6. lifting device，in order to move people from one floor to another in a building
  6. 8. can speak the language easily and correctly
  7. 9. the country or area where you were born and brought up
  8. 11. improve its quality, usually by adding something to it