小学六年级英语单词 单词的互换 tomato(复数)tomatoes potato(复数)potatoes dress(复数)dresses fox(复数)foxes class(复数)classes bus(复数)buses box(复数)boxes boy(复数)boys family(复数)families knife(复数)knives foot(复数)feet sheep(复数)sheep is(复数)are this(复数)these that(复数)those light(复数)lights man(复数)men woman(复数)women goose(复数)geese battery(复数)batteries city(复数)cities baby(复数)babies it/she/he(复数)they people(复数)people horses(单数)horse |