my sister's brother is my mother's.

my sister's brother is my mother's. 英语句子补充My sister's brother is my mother's________.My mother's my brother's sister is my(s ). My mother's s.is my sister. My mother's brother is my _. My mother's brother is my ___. My sister is my mother's( ) My father's mother is my _____ A aunt B sister C brother D g This woman is my mother's sister. Tom is my mother's brother.he is my __________. His sister is my mother.He's my( ) Lucy's brother is ( ) ( ) ( ) my sister (改为同义句）