按要求写单词。 |
1. activity (复数) __________________ 2. sheep (单数) __________________ 3. down (反义词) __________________ 4. calf (复数) __________________ 5. let's (原形) __________________ 6. children (单数) __________________ 7. play (三单) __________________ 8. joey (复数) __________________ 9. baby cats (同义词) __________________ 10. that (复数) __________________ |