1. tren subterráneo   subway   sailboat   jet plane   cruiser   Hint Half-n-half Clue   2. avión a reacción   raft   scooter   jet plane   glider   Half-n-half Clue   3. tranvía, hilo de trama   streetcar, tram   glider   sailboat   canoe   Half-n-half Clue   4. camioneta de reparto   monorail   motorboat   pickup truck, pick-up van   jet plane   Half-n-half Clue   5. monocarril   streetcar, tram   scooter   monorail   glider   Half-n-half Clue   6. balsa, zatara   subway   motorboat   raft   yacht   Half-n-half Clue   7. canoa, piragua   canoe   yacht   scooter   kayak   Half-n-half Clue