is that your brother's study )怎么连句

Is that your brother?Yes,()is is that your brother 改为复数 Is that your brother?改成陈述句+复数 is your friend that brother's Is that your brother?变为否定陈述句 Is that your brother?做否定回答 Is that your brother?和Is he your brother?的答语有什么区别? Is that your brother?怎么改为复数句 Is that boy your brother 改复数形势 Is that your brother?这个问句有几种回答? brother,tall,that,your,is,boy,连词成句 your boy brother is that连词成句 is that your brother's study )怎么连句 What is your brother? That is her brother ls that your brother翻译 Is that your brother? Yes,﹍﹍. PS：是填 it is,还是填 he is. ? her brother is it your brother's