what's the dog doing?it's eating a bone.eat后面不加双写ing?why?3Q

what's the dog doing?it's eating a bone.eat后面不加双写ing?why?3Q why do you eat like a horse?what's the meaning of''eat lke a why do you eat like a horse?What's the meaning of’eat like a --What's that in the picture?--It's _____ animal.It's a dog. the dog is eating a bone on the floor of the room语法对吗?为什么 -What's David's dog doing?-（ ）is singing.A.She B.He C.It.要理由 英语翻译What does it feel like to break a bone (骨头)?It’ s differ What's the matter?Why are you laugh/laugh-ing? What is the dog doing?It()some meat.(eat)(填动词适当形式） let's some broccoli let's后面应填什么?A.eat B.to eat C.eating D.ea What's the doing? The dog wants to eat the bone对eat the bone提问