| 开动脑筋变复数。 | |
| 1. it _____ 2. goat _____ 3. sheep _____ 4. monkey _____ 5. duck _____ |
6. pig _____ 7. dog _____ 8. cat _____ 9. horse _____ 10. cow _____ |
| 开动脑筋变复数。 | |
| 1. it _____ 2. goat _____ 3. sheep _____ 4. monkey _____ 5. duck _____ |
6. pig _____ 7. dog _____ 8. cat _____ 9. horse _____ 10. cow _____ |