把下面对话中遗漏的地方补全
A:i can't find my ( ).what is ( )that big box,do you know?
B:No.Let me ( ).There's a bag.
A:Is ( )a pencil box in the bag?
B:No,there ( ),but there( )some books.
A:Are there( )English books?
B:No,there aren't any English books,but there are ( )Chinese books in it.Is it your bag?
A:I don't think( ).There aren't any Chinese books in my bag,but there are two English books.
B:Oh,I'm( ),It's not your bag.