| A．a | B．an | C．two |
| A．What’s; It’s | B．What; It’s | C．What’s; Its |
| A．eating; drinking | B．drink; eat | C．eat; drink |
| A．Are; in | B．Is; on | C．Am; in |
| A．This is a stapler. | B．Yes, it is. | C．It’s a stapler. |
| A．Don't shout here. | B．Don't talk here. |
| A．No, thank you. Don't eat here. | B．Yes, please. |
| A．Don't eat. | B．Don't drink. |
| A．Would you like some cola (可乐)? | B．No, thank you. |
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