that is my sister

that is my sister This is your sister That is my That is my sister改为复数形式 This is my sister a什么that is my brother? That girl is Kate.__(her)is my sister 英语翻译My sister is ___ ___ working in that company.=My sister That girl is my sister.（对划线部分提问） 划线部分是 my sister That balloon is my sister’s.(划线部分：my sister’s) 是whose balloo that is my sister s dress 用whose提问 That is my sister.(改为复数句） that girl is my sister 改为一般疑问句 my that girl not sister is 连词成句.