| A．in | B．on | C．under |
| A．is | B．don’t | C．isn’t |
| A．in | B．on | C．at |
| A．Are |
| B．is |
| C．Is |
( )| A．The balloon is on the desk. | B．The balloon is under the desk. |
（ ）| A．The cat is in the box. | B．The box is on the cat. |
（ ）| A．The pen is under the chair. | B．The pen is under the book. |
( )| A．Eleven birds are in the tree. | B．Twelve birds are in the tree. |
（ ）| A．The ball is on the chair. | B．The ball is under the chair. |
| A．on the chair | B．under the chair |
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