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名词变复数练习-规则
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leaf
story
fox
dish
factory
dog
thief
glass
speech
key
witch
strawberry
lady
box
brush
class
candy
dress
diary
monkey
shelf
toy
bus
potato
day
fly
church
tomato
knife
kiss
wife
city
watch
half
sandwich
wolf
baby
puppy
family
boy
姓名
