把下列名词变为复数
问题描述:
把下列名词变为复数
watch tomato potato plane fish deer hero radio piano family child mouse bus foot tooth Chinese German American knife wife Englishman
答
watches
tomatoes
potatoes
planes
fish
deer
heroes
radios
pianos
families
children
mice
buses
feet
teeth
Chinese
Germans
Americans
knives
wives
Englishmen.