That is your pen

That is your pen that is your pen. Is that your pen on the desk? Is that your pen?作否定回答 Is __ your pen ?That is his pen. A.that B.this C.her D.his. is that your pen? NO,it is. 哪里错了? and what is that in your( )( is it a pen? Is that your pen?的同义句是什么? is that a your pen?这句话错在哪儿 改错:（Is ）（that ）a（ your） pen? Is that a your pen?那个单词错了? is this my pen and that pen your is 怎么连成句子?