Задача Задача №2661645
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Вот исправленные предложения с использованием Present Continuous и Past Continuous:
- People are trying to protect the environment by using renewable energy.
- Many countries are using solar power to reduce pollution.
- Last year, they started a recycling program in our city. (в этом случае Past Simple также будет правильным)
- The factories were emitting harmful gases when we visited last week.
- While we were discussing ways to protect the environment, the company was releasing more harmful substances into the air.