`text(1. What would happen if water pollution stopped ?)`
`text(2. Would we be happy if air pollution in the world were a better place ?)`
`text(3. If there were no pollution,would the world be a better place ?)`
`text(4. If I were you,I would take these bottles to the bottle bank.)`
`text(5. If people don't really care the enviroment,they won't save it.)`
`text(6. The river wouldn't be so polluted if the factories didn't dump the waste into it.)`
`text(7. We would be less worried if oil spills didn't have such destructive effects.)`
`text(8. If we destroy the ozone layer,what will save us from the UV rays ?)`
