Is that pen jack? 用肯否定句回答

Is that pen jack? 用肯否定句回答 that is your pen. That is green pen that is a pen Look!That is jack .翻译 That is her pen.改为否定句That her pen. Whose is this pen 和whose is that pen 什么区别,什么时候用this,什么时候用that that is n___ alan's pen.his pen is blue. This pen is 20 yuan.That pen is 200 yuan.= This pen is much less expensive than that pen. that is a her pen 用her pen提问?要问题的结尾时结尾是that?畅游上的that is a her pen 用her pen提问?要问题的结尾时结尾是that? who is that boy?H( )is jack. This a pen.that is a pen,什么 that is his pen变复数句 Is that your pen?作否定回答 That is my pen的否定句 that is a pen.改成一般疑问句 That is a pen.(变为复数) that.is his pen哪错了