Who is that?( )Mary A it's B she's C that's

Who is that?( )Mary A it's B she's C that's 英语选择题：Who's that? ( ) is Lucy. A This B It C That D She's who is that?A.That's a student B.It's Bob C .This is Bob 英语：who's that over there?----- ( )Jane A.She 's B.Her C It's —Who's that —_____________ Mr .Smith.( ) A:It's B:She's C:Th Who's that at the door?____ is the postman.A.She B.This C.It 选择题:Who is that behind( )?-----It's ( ).A.she,he B.her,his C Who's that girl ___ my sister A This is B She is C It's D Th ()36.Hello.This is Mary._________?A.Who's that B.What is it who's that ----------my teacher,Mr.li A they're B she C it's who's that in the picture?( ) A It's me B that's I C this is Who is she?She's my teacher What's that?It's a renily--box改为