на место пропусков вставьте at, for, to, of, in
1 animals have adapted the difficult
environments over the years.
2 the charity's aim is to create a better future
all mankind.
3 kakadu's wetlands are the home
the saltwater crocodile.
4 we should all donate money to help fight
diseases developing countries.
5 a lot of animals are risk of extinction.
2 for
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4to
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Вроде так