为什么“the cats over there are not mine”中“cat”加"s"?

为什么“the cats over there are not mine”中“cat”加s? 为什么“the cats over there are not mine”中“cat”加s? The cats are running along the wall.这里的cats为什么要加s? Calling the Cats the cats just being The cats are the brevest animals on the fThe cats are the brevest animals on the farm中 are the most 为什么要有the 帮我看看这为什么在oj上就是不行 FatMouse' TradeDescriptionFatMouse prepared M pounds of cat food,ready to trade with the cats guarding the warehouse containing his favorite food,JavaBean.The warehouse has N rooms.The i-th room contains J Let the cats in and The Cats的《Jenny》 歌词 July 13th 2001 has m_____ to the people all over China. you,the,bus,road,there,and,will,stop,see,cross,th,over(连词成句) over the past ten 为什么over可以用在这里? what are those on the grass ＿ ＿ two cats .横线上如何填,为什么? Cats are the most popular pets among Americans.最后的American,为什么加s? There are three _______ over there.They are afraid of cats.They ares _____ than cats. 初中英语in the 18th and 19th centuryin the 18th and 19th century（century要变为复数centuries吗?为什么?） The dogs and cats in the picture look so real.为什么选look so real?还有例句 【Cats and dogs are the most popular pets and thought_____members of the family.】Cats and dogs are the most popular pets and thought_____members of the family.A[for] B[of] C[as] D[from]选什么,为什么?