Is that your book yes,that is .这样回答可以吗?

Is that your aunt 的肯定回答用Yes,she is.还是,Yes,it is,为什么 Is that your headmaster?用Yes,he is.回答还是Yes,it is. _______?Yes,it is.A.Is that your book.B.Are these your books Is that your estate Yes,it is Is that your brother?Yes,()is Is that book dirty or clean 在选择疑问句中,that可以这样用吗? that is缩写是什么?还有Is that your pencil?回答应该是Yes ,it is 还是yes tha that girl your sister?,回答是：yes it is.还是：yes she is. Is that your grandmother?Yes,it is为什么回答用it is s that your book?---Yes,________.这为什么填的是yes,it is .而不是yes,th Is that your brother?回答 Is that your shirt?yes,( )( )./No,( )( ).