可数名词变复数

题目

可数名词变复数
baby
century
factory
worry
duty
way
holiday
kilo
piano
negro
hero
radio
potato
zoo
shelf
half
blouse
brush

答案

babies
centuries
factories
worries
duties
ways
holidays
kilos
pianos
negroes
heroes
radios
potatoes
zoos
shelves
halves
blouses
brushes