把下列名词变为复数
问题描述：
把下列名词变为复数
shirt watch egg tomato
potato jacket plane fish
deer hero radio piano
family child mouse bus
foot tooth Chinese German
American knife wife Englishman
答
shirts watches eggs tomatoes
potatoes jackets planes fishes
deers heroes radioes pianoes
families children mice buses
feet teeth Chinese Germans
Americans knives wives Englishmen