| A．Sorry. | B．It's on the desk. | C．Yes. |
| A．Thank you. | B．You can't. | C．Sure. |
| A．Yes，I am. | B．Yes，I can. | C．Yes，I do. |
| A．OK. | B．Thanks! | C．Sorry. |
| A．Yes, it’s my cat. |
| B．Yes, it’s her cat. |
| C．Yes, it’s his cat. |
| A．he |
| B．his |
| C．/ |
| A．my |
| B．her |
| C．he |
| A．to | B．with | C．for |
| A．is | B．isn’t | C．is no |
| A．It is | B．Is it | C．Is |
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