sumat2

14.02.2020 21:57 •  Английский язык

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propel.

1 Biologists ... dolphins as cetaceans.
2 Dolphins use their pectoral fins to …themselves in the right direction.
3 How does a dolphin ... itself through the water?
4 Female bottlenose dolphins usually ... their young milk for two or three years.
5 Dolphins ... their position by using