Is this( )book?.yes,it's( )what I'm after.A.the very justIs this( )book?.yes,it's( )what I'm after.A.the very ;just B.the just,only Ca very\just D the right \only选那一个？为什么》

Is this a book? Yes,this is. ls this a book Yes,this is.谁会修改? is this your book?yes,() A.this is B.it isis this your book?yes,()A.this is B.it is C.it isn't Is this your book?Yes it's_ book _your teachers short?No,they're_ 1.This is my book.2.That is my pen.3.Yes,it is. Is this your book?Yes,it is为什么是it is 而不能说it's 改成复数句This is a book.That isn't an egg.Is this a book?Yes,is is.Your picture is very good. ls this you book?yes,is isn’t.哪错了? Is this Anne's book?Yes,it' S_ A,her.B,hers.C,his is this you book,mike?yes,______area ,web ,you c ,they Whose book is this? This is a book whose is this book? This book is yours Lily,is this book()? this is ( ) book. It's this your pencil? -Yes,itis. It's that you book? -Yes,it is 错误 怎么改 This book is yours,isn't it?A:No,it is.B:Yes,it's my friends.C:Yes,it's not mine.D:Yes,it's mine.