1.Is that your pen in the lost and f____ case?2.I have a s____ of k____.

that is your pen. Is that your pen?作否定回答 1.Is that your pen in the lost and f____ case?2.I have a s____ of k____. Is this your pen?--( ).---Is this your pen?A.pardon B your pardon c I beg Is __ your pen A.that B.this C.her D.his.That is his pen. and what is that in your( )( is it a pen? 改错:（Is ）（that ）a（ your） pen? is that a your pen?这句话错在哪儿 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? Is that your pen?Is _________your pen?横线上填什么 A:that's your pen.___ is my pen B:Do you __ this is interesting? That is your pen(加her pen变为选择疑问句） That is your pen (加her pen变为选择疑问句） That is green pen that is a pen I hope that is your 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