this is my dog,的同义句怎么改

this is my dog,的同义句怎么改 This is my dog.His name is Coco.(同义句)Coco is () () () my dog Whose dog is this?的同义句是什么? whose is this dog(改成同义句) this dog is yours 同义句 this is she dog.怎么改 This is my dog.his name Coco(改为同义句) Coco is _ _ _ This is my dog.的同意句是什么? this is my pen的同义句 This is my desk.的同义句 this is my sweater 的同义句 This is my sweater.的同义句