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МатематикаВопрос:
4) If people (not / start) travelling to space in the last century, we wouldn't know much about stars and planets now.
Ответ:
Решение:
Это смешанный тип условного предложения (Mixed Conditional). Первая часть относится к прошлому (If + Past Perfect), а вторая — к настоящему (would + Verb (base form)). В данном случае, в первой части предложения (условие) пропущена форма глагола 'to start' в Past Perfect.
If people hadn't started travelling to space in the last century, we wouldn't know much about stars and planets now.
Ответ: hadn't started
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- 3.1.6. Fill the chart with the words to make word families.
