Transport & Superlative

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Across
  1. 4. transport in the city in a tunnel
  2. 7. it's samll for people to travel in the water
  3. 8. transport for people to travel in the sky
  4. 9. a small train inside the city
Down
  1. 1. the 1º pop video the _______
  2. 2. the _____ animal is the Blue Whale
  3. 3. a big transport to travel between cities
  4. 5. the last one to complete the race is the ___
  5. 6. the 1º of tall people is the _______
  6. 7. the 1º player in the world is the _____