Is this her sister 用NO回答

Is this her sister 用NO回答 she is b her sister this evening. 用适当的形式填空 This is my sister.____(her)is a student. this is my sister ,that is her kite.后面这个人称是用her还是用she 用所给单词的适当形式填空.急I know this is your pen.Where is your____(sister)?Her pen is in her pencil box. -----Is this her sister?-----Yes,_______(it,her)is.her name is Jane.选什么?为什么这样选? Is this ycur sister?用英语怎么说 sister,going,my,mall,to,is,friends,the,her,Saturday,this,with(汉译英） LI Mei's brother is__(we)headmaster.This is Wuhan's sister.___(Her)is thirty-one.用括号内正确形式填空 Is this your sister 答语为什么要用it is. 怎样讲解英语中把句子变成复数形式,如This is her sister.其中her要变成their吗 Is this your sister是什么意思 （this）is my sister 什么时候用she is my sister ?什么时候用this is my sister?急!急! 什么时候用this is my sister,什么时候用she is my sister? 用所给单词的适当形式填空1._________(this) are my pens.2._________(her) is my sister.4.Are these_______(he) jackets? How is he?Her sister is a student.This isn't an English car.该复数形式 Her sister is twelve.So is my sister（合并）Her sister is ____ ____ ____ ____my sister