linalinalogin

06.01.2022 02:42

Английский язык

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If space technology 1(had been) more advanced, humans could have settled in space decades ago. They could 2(have founded) colonies on other planets if natural conditions there 3(had been) suitable for sustaining life. People 4(could inhabit) space stations there 5(were) it no for need to send regular and costly supply expeditions here. They 6(can) be using mineral resources from space bodies if they 7(had not worked) out a way to deliver the resources to Earth. If people 8(were less) united on Earth, they 9(would be more) cooperative in space programmes and 10(would have advanced) a lot more in their achievements. We would have learned how to stop global warming. We would 12(have been stopping) ozone windows from growing in the atmosphere decades earlier. We 13(would) pollute the Earth with rubbish. Finally, we 14(would) consider the Earth our home.