为什么eats grass的eat后有s,而eat other animals的eat后无s

为什么eats grass的eat后有s,而eat other animals的eat后无s eat eats 的区别Amy usually eat breakfast at 7:00.与Amy usually eats breakfast at 7:00.为什么AMMY是第三人称，一定要在eat后加s Eat 和 Eats 有什么不一样的? your horse eats salt里的eat为什么要加s sports star eats well为什么eat要加s Who eats who?为什么要在eat后面加s? a man eats an apple eat为什么要加s eat grass的翻译 The trger[ ] grass.A.doesn't eats B.doesn't eat C.don't eat D.not eat填空.还有doesn't don't not的用法. The tiger does not eat grass but the giraffe 1,does 2,eat 3,eats 4,does not选神?为什么？说理由啊 let's some broccoli let's后面应填什么?A.eat B.to eat C.eating D.eats,为什么! he gets up and eats leaves.为什么eat要加s? He eats in the classrooms为什么翻译中eat不加s He eats in the classrooms为什么翻译中eat不加s The cow eats grass,squeezed out the milk,do you?Eat rice,squeezed out the dung! 找出句子中错的一个单词改正后并翻译they are eat grass eating.eat.eats.to eat有什么不同 he often eats pears.怎么改为否定句.eat应该加S还是不加S为什么