| A．Open your mouth. |
| B．Open your books. |
| A．Don’t walk. | B．No bikes | C．No parking. |
| A．Don’t walk. | B．Don’t hit other children. | C．No smoking. |
| A．Don’t make noise. | B．No smoking. | C．Don’t walk. |
| A．No cameras. | B．Don’t touch. | C．Touch it. |
| A．Here’s your money. |
| B．It is your money. |
| C． What is your money? |
| A．Don’t litter. |
| B．Don’t touch. |
| C．No food. |
| A．Don’t litter. |
| B．Don’t touch. |
| C．Don’t walk. |
| A．No food. |
| B．No swimming. |
| C．No cameras. |
| A．It's dangerous! | B．Don't talk in the library. |
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