1. duty free    menzei   nimotsu   gohan   sashou, biza   Hint Half-n-half Clue   2. customs clearance   hikouki, hikōki   tsuukan, tsūkan   tsuurogawa, tsūrogawa   sashou, biza   Half-n-half Clue   3. cafeteria    kawase   shokudou, shokudō   menzei   madogawa no seki   Half-n-half Clue   4. international    mizu   kokusai   kokunai   kanzei   Half-n-half Clue   5. snack    eahosutesu   sunakku   taaminaru, tāminaru   kawase   Half-n-half Clue   6. baggage, luggage    nimotsu   tsuurogawa, tsūrogawa   kawase   mizu   Half-n-half Clue   7. airport    ryoken, pasupōto   bangou, bangō   joukyaku, jōkyaku   kukou, kūkō   Half-n-half Clue