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

what's the matter__________the dog? what's the dog doing?it's eating a bone.eat后面不加双写ing?why?3Q What are the dog and the cat doing是什么疑问句 What's the men doing? What's the boy doing? What's the dog's name?What's 【同义句】 What's the man doing?的意思 What's the little girl doing? What's the mother kangkroo doing what's the elephant doing?的下一句 whats the lion doing的意思 同义句转换 What's the weight of the dog?--- --- --- the dog ---? what about the dog 可改为 what about the she?或what about the bag?what is the dog doing in the garden 可改为 what is the she doing in the garden Example：what are they doing?The dog is swimming.(dog/swim)照样子,写句子.Example：what are they doing?The dog is swimming.(dog/swim)1.(bear/play chess)_________________.2.(cat/fish)____________________.3.(monkey/take pictures)________________ what‘s the word for a baby dog? what's the matter with my dog?怎样回答 what a_____ the dog? what is dog doing 还是what is a dog doing,那个对 还有is dog running across the street,还是is a dog,这两个句子到底用不用冠词a 啥时候用冠词各位大仙求解