1. 單軌鐵路車   monorail   jet plane   cruiser   kayak   Hint Half-n-half Clue   2. 汽艇   raft   motorboat   pickup truck, pick-up van   scooter   Half-n-half Clue   3. 卡車，搭便車搬運車   pickup truck, pick-up van   cruiser   breakdown van, tow-truck   sailboat   Half-n-half Clue   4. 路面電車，電車   streetcar, tram   raft   subway   breakdown van, tow-truck   Half-n-half Clue   5. 地鐵   airliner   monorail   motorboat   subway   Half-n-half Clue   6. 滑翔機   glider   raft   streetcar, tram   yacht   Half-n-half Clue   7. 噴氣機   breakdown van, tow-truck   canoe   jet plane   subway   Half-n-half Clue