1. ロッカー　   luggage locker   air hostess   toilet   visa   Hint Half-n-half Clue   2. シトベルト   passport   seat belt   flight number   customs   Half-n-half Clue   3. トロリー.　   toilet   seat belt   passport   luggage trolley   Half-n-half Clue   4. パスポート　   luggage locker   flight number   visa   passport   Half-n-half Clue   5. スチュワーデス, エアホステス.   seat belt   customs   air hostess   visa   Half-n-half Clue   6. トイレ　   toilet   luggage trolley   flight number   passport   Half-n-half Clue   7. フライトナンバー　　   luggage trolley   flight number   toilet   seat belt   Half-n-half Clue