Conditional clauses (type 1)

If we stop polluting, we (a)   (save) planet Earth.

Unless we (a)   (fight) for our planet, we will suffer.

If we recycle, we (a)   (protect) the planet's natural resources.

The planet will die if we (a)   (not do) anything.

Unless we (a)   (save) the dolphins, they will become extinct.

If we don't try to protect animals in danger, they (a)   (not survive).

(a)   (you / save) water if the planet is at risk?

If we use public transport more, our cities (a)   (get) cleaner.

The ice caps will melt if we (a)   (not take care) of our planet.

If the ice caps (a)   (melt), sea levels will rise.