This is my sister.________name is Mary.空处填什么?

This is my sister.________name is Mary.空处填什么? This is my ( )dictionary.A.sister Mary this sister Mary is my连词成句 And this is my sister,Mary.and this is my brother,Jim用英语怎么说? This is my sister a什么that is my brother? This is my a（ ）,Mary.She's my mother's sister.括号里面要填什么?急要! This is my sister Mary.中Mary式同位语吗? This is my ( )dictionary.A.sister Mary B.siter's C.sister Ma 说明为什么选This is my _____ dictionary.A sister's B sister,Mary's this is my sister还是she is my sister This is your sister That is my This is my _____ .This girl is my sister.横线上该填什么