Change the sentences to use passive structures and write them down. < factories and plants must not poison water in the rivers. doctors should cure dangerous diseases. man should not influence climate so much.>
Water in the rivers must not be poisoned by factories and plants. Dangerous diseases should be cured by the doctors. Man should not be influenced on climate/
Water in the rivers must not be poisoned by factories and plants.
Dangerous diseases should be cured by the doctors.
Man should not be influenced on climate/