tomorrow is Mary's birthday i want to buy a gift for___(her）

Mary is busy ( )for tomorrow's English exam. ( ) 2 This is my____dictionary.　　A.sister Mary B.sister's C.sister,Mary's D.sister's Mary's( ) 2 This is my____dictionary.　　A.sister Mary B.sister's C.sister,Mary's D.sister's Mary's为什么呢 Tomorrow is Mary’s birthday.Can you ______ some music CDs to the party? tomorrow is Mary's birthday i want to buy a gift for___(her） mary and mike._________ mother is a worker.A.Mary and Mike’s B.Mary’s and Mike’s C.Mary’s and Mike D.Mary and Mike This is my ( )dictionary.A.sister Mary B.siter's C.sister Mary's D.sister's Mary's This is my____dictionary.A.sister Mary B.sister's C.sister,Mary's B 为什么不对? Kate is Mary's Mrs.Black is a friend of ____?A.Mary's mother's B.Mary's mother C.mother's of Mary D.Mary mother's 为什么? Miss Smith is a friend of A．Mary's mother's B．Mary's mother C．Mother's of Mary D．Mary Mother's Miss Green is a friend of _______.A.Mary’s mother’s B.Mary’s mother C.Mary mother’s D.mother’s of Mary The girl talking to Mary is a friend of ( ) AThe girl talking to Mary is a friend of ( ) A.Mary's sister B.Mary sister's C.Mary's sister's D.sister of Mary's She is Mary and Tom’s sister.这句话对吗?A．Mary’s and Tom B．Mary’s and Tom’sC．Mary and Tom’s this is( )room.A.Tom and Mary's B.Tom's and Mary's C.Tom's and Mary D.Tom and Mary Mr Black is a friend of ____. A. Mary's mother B.Mary's mother C.mother's of Mary D.Mary's mother This coat is ---.a.Mary brother Jack's b.Mary brother's Jack c.Mary's brother Jack's d.Mary brother Jack mary Brown's first name is（） A.mary B.Brown C.Brown's D.Mary Brown what’s her name?A her is mary B It's mary C mary.为什么选c?