Boy: Oh, no!  My book isn't in my backpack! Where is it?
Girl: Your book is on the table.
Boy: OK. My keys? Where are my keys?
Girl: Your keys are in your backpack.
Boy: Yes,yes. Where are my pencils?
Girl: They're under the bed.
Boy: And my hat? Can you see?
Girl: It's on the bed.
Boy: Where's my pencil case?
Girl: It's on the chair. Oh ...no, it isn't. That's my pencil case.

1. His book_______in his backpack.    

A. is        
B. isn't        
C. are        
D. aren't

2. His pencils are_______the bed.    

A. on      
B. in            
C. to          
D. under

3. His pencil case_______on the chair.      

A. is      
B. are          
C. isn't      
D. aren't

4. _______pencil case is on the chair.   

A. His    
B. Her        
C. My        
D. Your