That balloon is my sister’s.(划线部分：my sister’s) 是whose balloon is that?

That balloon is my sister’s.(划线部分：my sister’s) 是whose balloon is that? That boy is my mother's son.He'my( ) That yellow balloon is (nice)对括号内的怎样提问 That is my room and that is my sister's room有什么错 this,nancy,balloon,for,is This is my beb and that's my desk.Look,this is my new computer. is brother's that my baseball 连词成句 变为否定句 That is my father`s baseball My teacher's office is in that b( ) That paper is my friend's.对划线部分提问? That is my father‘s computer.改为同义句 that is my sister s dress 用whose提问 That paper is my friend's.对划线部分提问? the fourth lesson is art that's my favourite subject! That's How Strong My Love Is 歌词 that beautiful lady with a red s is my aunt That is Song Zuying. S is my favorite singerThat is Song Zuying. S is my favorite singer. That paper is my fiend's.对my friend's进行提问怎么做