( )| A．Many people go to work by car. |
| B．People walks to the market every day. |
( )| A．We shouldn’t litter anywhere. |
| B．We shouldn’t kill wild animals. |
( )| A．You shouldn’t litter. |
| B．You shouldn’t kill wild animals. |
(写出合理的句子) | A．by | B．on | C．in |
| A．Use bikes instead of cars. | B．Use mobile phones every day. |
| A．wasted | B．wastes | C．waste |
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