Is this your ruler?改为同义句

this ruler is hers.改一般疑问句 this is a ruler.改复数 Is this your ruler?Yes._________. Is this your ruler?改为同义句 Is this your ruler?作肯定回答 is this ruler your?yes .找出错误 （）（）,is this your ruler?No. 英语改否定句 Is this a ruler 如何改 This is a ruler怎么改一般疑问句 This ruler is for you .改为一般疑问句,怎么改? And is this your ruler的汉语意思 your is brother short this ruler for怎么连成一句话 连词成句：this.ruler.is.your.kitty Whose ruler is this? Is this red ruler ( ( ) ruler is this? What () is your ruler this isn't your ruler that ruler is------------he her hers its