1. 十三   fifteen   thirteen   seven   three   Hint Hint       2. 三十   fifty   thirty   eight   one   Hint       3. 三   seventy   seven   three   two   Hint       4. 十五   eleven   fifteen   seven   twelve   Hint       5. 百   fifty   nine   hundred   zero   Hint       6. 八十   thirty   nineteen   eighty   seventy   Hint       7. 九十   nine   ninety   seven   million   Hint