1. 老虎   tiger   elephant   pony   rat   Hint Half-n-half Clue   2. 蛇   squirrel   deer   snake   elephant   Half-n-half Clue   3. 兔子   rabbit   buffalo   bear   giraffe   Half-n-half Clue   4. 大象   frog   crocodile   lizard   elephant   Half-n-half Clue   5. 鼠   rat   bull   mouse   sheep   Half-n-half Clue   6. 松鼠   squirrel   alligator   sheep   pony   Half-n-half Clue   7. 草龟   monkey   elephant   rat   tortoise   Half-n-half Clue