Mary,this is my friend,Emma.这句话是否正确,如果错误就改正

This is my sister.________name is Mary.空处填什么? this sister Mary is my连词成句 This is my wife Mary.翻译成中文 And this is my sister,Mary.and this is my brother,Jim用英语怎么说? Tom,()my friend,mary.A this‘s B this is C she is D her is This is my ( )dictionary.A.sister Mary B.siter's C.sister Mary's D.sister's Mary's what is it? yes,it is. it is my cat. this is mary. he is my brother. 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 This is my sister Mary.中Mary式同位语吗?加了逗号变成This is my sister,Mary.之后Mary还是同位语吗?还是my sister? This is Mary.意思不变：This is （ )( ) Mary is my friend.对Mary提问 Hello,this is Mary 【speak】 Holl,This is Mary speaking. this is mary speking前一句 用your my her she he I 填空 1.——am a student .____name is Mary.2.This Mr.wood._____is my teacher.3.This is a giri._____name is Mary._____is my friend.4.Is this _____pencil,Danny? my name is your mary Mary,___ is my friend,Emma.A.it B.that C.this D.she Mary,()is my friend,Emma A.it B.that C.this D.your