| A．I am on the sofa. |
| B．I’m behind the door. |
| A．The ball is under the chair. |
| B．The ball is on the chair. |
| A．Where’s the dog? | B．Where's the cat? |
| A．Is the teddy under the sofa? | B．Is the teddy on the sofa? |
| A．Where's the book? | B．It’s on the table. |
| A．It is in the vase. | B．It isn’t in the vase. |
| A．Is it behind the door? | B．Is it on the door? |
| A．It’s in the bag. | B．Where’s the book? |
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