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Перепишите предложения, поставьте глаголы в скобках согласно правилам согласования времен. Переведите предложения:

Everybody knows that air and water pollution by industry (to reach) now dangerousproportions.

The scientists reported that the natural changes in weather and climate (to have) more catastrophic global effects than humanactivity.

He said that the lecture on environment protection (to be) veryinteresting.