4. foot ______________
7. fish ______________
5. child ______________
8. box ______________
6. leaf ______________
9. bus ______________
1. teeth 2. men 3. women 4. feet 5. children 6. leaves 7. fish或fishes 8. boxes 9. buses
写出下列单词的复数形式. 1. tooth 4. foot 7. fish 2相关攻略