各回各家，将下列单词分类(只填序号)。

1. ice cream  2. mouse  3. camel  4. donkey  5. cookies  6. hippo  7. water  8. juice  9. fifteen  10. zebra

11. thirteen  12. tea  13. milk  14. twelve  15. horse  16. deer  17. bear  18. pop  19. twenty  20. cake

Drink:                                                                                                                            

Animal:                                                                                                                            

Dessert                                                                                                                            

Number:

经销商品在商品退货时确认“库存商品”和“应付暂估款”的负数，在ERP系统中必须用反记账处理。