(     ) 1. A. My toy car is on the chair.
             B. My toy car is under the chair.
(     )2. A. Where is my plane?
            B. Where is my car?
(     )3. A. My ball is on the desk.
            B. My ball is in the box.
(     )4. A. It's on the chair.
            B. It's under the chair.

(     )1. 一 Is this woman your mom?
           一Yes, she is. 
(     )2. — Look at that giraffe. 
           — It's so tall.
(     )3. 一 Do you have pears?
           一 No, I don't. 
(     )4. 一 Where's your toy plane?
           一 On the desk.
(     )5. 一 I have thirteen hamburgers.
           一 Oh, my god.