1. passport   bao liu   hu zhao   hang ban [hao;hao]   [hang;hang;heng;xing] li zan cun xiang   Hint Half-n-half Clue   2. return ticket, round-trip ticket   lai hui piao ，shuang cheng piao   guan shui   li kai xiu xi shi   kao chuang zuo wei   Half-n-half Clue   3. seat belt   an quan dai   ji cheng [che;ju] [che;ju] zhan   fei ji   hu zhao   Half-n-half Clue   4. flight number   ji cheng [che;ju] [che;ju] zhan   guan shui   hang ban [hao;hao]   zuo wei [hao;hao] ma   Half-n-half Clue   5. reservation   qian zheng   bao liu   [xi;xian] shou [jian;jian]   hang ban [hao;hao]   Half-n-half Clue   6. airplane   yi min   [hang;hang;heng;xing] li kai ken ，[hang;hang;heng;xing] li hui ji   [xi;xian] shou [jian;jian]   fei ji   Half-n-half Clue   7. customs   hu zhao   que ren   feng su   guo nei   Half-n-half Clue