6.
1001B-4
This is a book.It is a red1book.It is on the desk.Whose is it? Is this Tom's book? No, it isn't.Is it Jim's book?No,it isn't.Ah?,I see?.It's Helen's book.Her name is in this book.
Jane:Excuse me,Helen! Is this your book?
Helen:Yes,it is.Thank you.
Jane:Not at all.
Whose name is in the book?