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