Your sister is going back.(划线部分提问Your sister.)

Your sister is going back.(划线部分提问Your sister.) look your sister is going __________(到楼上） Is your sister of going out along at night 快 She is your sister Is that ( ) your sister your sister is going to study english.write a letter to a friend of your,who is an Enlish teacher what are your sister going to be in the future?she is going to be a policewoman(改错） sister,Lily IS she your sister,Lucy? Is this your sister?与Is she your sister?区别 w_____ girl is your sister? w()girl is your sister Is that your sister?,回答 How tall is your sister? Is this your sister是什么意思 Who one is your sister? Is your sister good ( ) not ? your sister is coming是什么意思 where is your sister's sister's sister?的意思