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

That balloon is my sister’s.(划线部分：my sister’s) 是whose balloo 对划线部分提问 That's my sister.(划线部分my sister)__is____? that is my sister s dress 用whose提问 That girl is my sister.（对划线部分提问） 划线部分是 my sister This is (my sister's) sweater 对划线部分提问 1.My sister's hobby is sleeping.(对划线部分提问) 划线部分:sleeping it is my sister's new bike画线部分是my sister's(画线部分提问） my brother's sister is my(s ). My mother's s.is my sister. My sister's favorite color is blue.(对划线部分提问) _____ your___fa My sister's last name is Smith.对划线部分(last name)提问 My sister's name is Mary（划线提问）