1.That is his sister.2.She is my good friend.把这两句话改为疑问句并作简要的肯定和否定回答.

Is that his sister?变为复数句 that is his sister改为复数形式 His sister,always is his sister. his sister is This is his sister and that is his son.怎么改为复数形式 That is his parents That is his sister This is my brother These are my friend 以上改一般疑问句 Is that ( ) your sister This is his sister and that,s his son.怎么改为复数形式 初一英语的复数形式,请简单说明,1.This is my uncle.2.Is that his friend?3.Is she your sister?4.this is a photo. she is his sister,helen. is this your father?否定回答 that is his sister?复数句 It seems that his health is （ ）2.( )either you or I afraid of dogs?.1.A.as poor,if not poorer than,his sisterB.as poor as,if not poorer than,his sister’sC.poor as his sister if not poorerD.poor,if not poorer than his sister’s2.A.Are B.Is C.Ha Is that girl his sister?作肯定回答其实是个选择题,1.Yes,it is.2.Yes she is.说出原因, Is that girl his sister?（作肯定回答） Is helen his grandmother?（作否定回答） His sister is from Canada.(对Canada提问) ( ) his sister ( )? that,his,biue,the,sister,girl,is,in,T-shirt组成一句话 句型转换：1.This is my brother.(一般疑问句） 2.That's her sister.(否定句) 3.Is this his parent?(改为复数形式) 1.That is his sister.2.She is my good friend.把这两句话改为疑问句并作简要的肯定和否定回答.