1. 十七   sixteen   thirteen   seventeen   fifteen   Hint Hint       2. 五十   nineteen   fifty   seventy   zero   Hint       3. 零   three   thousand   zero   thirty   Hint       4. 七十   twelve   seventy   million   ninety   Hint       5. 八十   eighty   one   eleven   twenty   Hint       6. 二十   three   twenty   seventy   twelve   Hint       7. 七   seven   thirteen   one   thousand   Hint