That's () sister's book(he/his)选择哪个词填空he/his和sister哪个是主语怎么分清要填写第几人称

______Tom’s sister . A.He's B.His C.That’s D.This’s I like that son of ______.A、john's sister B、john sister's C、john's sister's D、sister's john's这个答案选C 为什么不选A Who's that girl ___ my sister A This is B She is C It's D That's That's jim i'm h sister. sister's ( ) 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 That balloon is my sister’s.(划线部分：my sister’s) 是whose balloon is that? 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 Mary B.siter's C.sister Mary's D.sister's Mary's What's your __ job?A.sister B.sister's c.sister 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 who's singing over there?______is Sandy's sister.A That B It C She D This 应该选哪个? 1.Who’s singing over there — ________ is Sandy’s sister.A.That B.It C.She D.This ----his sister. A.He's B.this's C.that's D.who's要快,好的加 ,在线等为什么？？？？？？？？？？？急！！！！！！！！！！！！！！！！！ This is my_______booksA.sister B.sisters C.sister's 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 she is my daughter.A sister B sister's Cshe is my daughter.A sister B sister's C sisters 名称所有格This is my___ dictionary.A.sister's B.sister's Mary's