| A．Excuse me | B．I am sorry. |
| A．Turn left then turn right | B．Turn right then turn left. |
| A．You are welcome | B．I am sorry. |
| A．Point to a train. | B．Point to a bus. |
| A．I go to school by bike. | B．I go to Shanghai by bike. |
| A．Don’t play on the taxi. | B．Don’t play on the road. |
| A．Do you know the car? | B．Do you know the taxi? |
| A．I go to Beijing by plane. | B．I go to Beijing by train. |
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