1. 小船   car   motorbike, motorcycle   truck, lorry   boat   Hint Half-n-half Clue   2. 輪渡   truck, lorry   boat   airplane   ferry   Half-n-half Clue   3. 船   ship   train   bicycle   motorbike, motorcycle   Half-n-half Clue   4. 汽車   car   bicycle   limousine   boat   Half-n-half Clue   5. 飛機   limousine   car   airplane   ferry   Half-n-half Clue   6. 大型高級轎車   motorbike, motorcycle   airplane   limousine   van   Half-n-half Clue   7. 公共汽車   airplane   ferry   ship   bus   Half-n-half Clue