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.she Mary,()is my friend,Emma A.it B.that C.this D.your ___ is Mary.This is ___ computer.A She,she B I,my C He,his D Who's that girl ___ my sister A This is B She is C It's D Th is _____ you,Mary?A it B she C that D this 选哪个,为什么? 单项选择A she.her.B it.Her C it.my D she.my .Is this Mary's bay? ----- is my friend A,this B,he C,she D ,that Mary is a good friend of ___.A I B me C.my D.mine 选择：1.Tom,()is Luck.she's my good friend.A.she B.this C.it D. -Who is it?____ my mother.A.This is B.it is C.That is D.She Jim,( )is Julia.She is my good friend.A:she B:this C:he D:th That is my good friend.___ name is Jenny.A.She B.isC.an D.be