This book ( ) Bob's.Look!That's his name.This book ( ) Bob's.Look!That's his name.A.may beB.must beC.can't beD.mustn't be说明原因

This book is Bob's.That book is John.These books are_____.如题,A.Bob's and John'sB.Bob's and JohnC.Bob and John's This book ( ) Bob's.Look!That's his name.This book ( ) Bob's.Look!That's his name.A.may beB.must beC.can't beD.mustn't be说明原因 that book is bob's改成复数形式 This is s book.(a book提问) who is that?A.That's a student B.It's Bob C .This is Bob (---) book is this?It's wanglin's book. This is Bob's map 改为一般疑问句 填入适当的物主代词 1.this book is___(bob)2.___english teacher is a man what's this ----this's a book 改错 Is this（）book?No,it's（）book. I like this book.It's my f____ book. 改错Who's book is this?（） Is this your book?( ),it's( ) 改错 Who's book is this? This is a book.(It's,Its) this book is my friend's对吗 what’s this (回答)( )( )a book This is a book,It's an English book.What's this?急.