3. Choose the right answer.
If it was cheaper, I … solar panels on the roof of my house.
I would have been surprised if they … wind turbines.
If I could afford it, I … my old house.
If they could do it, they … renewable energies.
I would have been able to understand if they … more specific information.
We should compensate for greenhouse gases if we … to fight climate change.
If they … their minds right away, climate change will get worse.
If we do not rely less on fossil fuels, nothing …
If you provided me with evidence, I … my electricity consumption.
If companies backed more investments in clean energy, the air we breathe … cleaner.