is that a your pen?这句话错在哪儿

that is your pen. is that a your pen?这句话错在哪儿 and what is that in your( )( is it a pen? Is __ your pen A.that B.this C.her D.his.That is his pen. that is a pen 改错:（Is ）（that ）a（ your） pen? Is that a your pen?那个单词错了? A:that's your pen.___ is my pen B:Do you __ this is interesting? Is __ your pen ?That is his pen. A.that B.this C.her D.his.可以告诉我为什么?谢谢 Is that your pen?作否定回答 This a pen.that is a pen,什么 Is this your pen?--( ).---Is this your pen?A.pardon B your pardon c I beg that is a pen.改成一般疑问句 That is a pen.(变为复数) that is a pen (变为复数） Is that a pen?的同意句 That is her a red pen.改错 is this my pen and that pen your is 怎么连成句子?