1. 牛   frog   pig   donkey   cow   Hint Half-n-half Clue   2. 蛇   snake   frog   monkey   donkey   Half-n-half Clue   3. 虎   sheep   cat   crocodile   tiger   Half-n-half Clue   4. 猿   rabbit   bull   monkey   alligator   Half-n-half Clue   5. 羊   crocodile   dog   sheep   donkey   Half-n-half Clue   6. 雄牛 ,   tiger   crocodile   bull   fox   Half-n-half Clue   7. 鰐   donkey   alligator   dog   fox   Half-n-half Clue