Поставьте следующие предложения в страдательный залог. 1. they will build a stadium here in the near future. 2. the earthquake ruined several big cities. 3. storms and floods have done a lot of damage. 4. the fire has done a lot of damage. 5. the flood has seriously damaged the city library. 6. industrial pollution is ruining our city! 7. we must do something before it’s too late.