Mary’s sister is a singer.she is two years than her.A\older;elder B\elder;elder C····Mary’s sister is a singer.she is two years than her.A\older;elder B\elder;elder C\elder;older D\older;older

( ) 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 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? This is my ( )dictionary.A.sister MaryThis is my ( )dictionary.A.sister Mary B.sister's C.sister Mary's D.sister's Mary's 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 This is my____dictionary.A.sister Mary B.sister's C.sister,Mary's D.sister's Mary's为什么选C,不选B或D. 名称所有格This is my___ dictionary.A.sister's B.sister's Mary's This is my ( )dictionary.A.sister Mary B.siter's C.sister Mary's D.sister's Mary's顺便说下原因. The 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到底选什么啊? The 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 （答案并解释其原因!） 40.This is my____ dictionary.A.sister Mary B.sister’s C.sister Mary’s D.sister’s Mary’s40.This is my____ dictionary.A.sister Mary B.sister’s C.sister Mary’s D.sister’s Mary’s这个选C,为什么不选B? 说明为什么选This is my _____ dictionary.A sister's B sister,Mary's is,twelve,Mary’s,sister?排列 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 The girl talking to Mary is a friend of (Mary's sister's).括号内的能否用(Mary sister's)和（sister of Mary's)「是语法问题么?说明一下理由,要完整!」 This is my____dictionary.A.sister Mary B.sister's C.sister,Mary's D.sister's Mary's为什么选D,不选B或C.是我看错答案了，答案选的是C,B为什么不对呢？ mary's sister's sister of mary's 那个对 That girl is a friend of( ) A.Mary's sister' B.Mary sister's C.Mary 's sister's D.sister of Mary'sJim was late for two classes this morning.He said that he forgot both of the ( ).A.room's number B.room number C.room's numbers D.room numbersExcuse me