whose is this comb?同义句转换

whose is this comb?同义句转换 whose jacket is this 同义句转换 同义句转换:whose book is this? Is this your eraser?(同义句转换） Whose is this bag?(改为复数句） This is my comb（改成同义句） This is her comb.(改为同义句） This____is___. 题目：Whose watch is this? 填空：【】is this【】? 同义句转换. Whose mirror is that?同义句转换 Whose dog is this 同一句转换 whose ball is this?改同义句 Whose is this ruler?(同义句) whose computer is this改为同义句