Przeczytaj tekst. Spośród wyrazów podanych I w ramce wybierz te, które poprawnie uzupełniają luki 1 1-3. Wpisz odpowiednią literę (A-F) obok numeru ! każdej luki. Uwaga! Trzy wyrazy zostały podane! 1 dodatkowo i nie pasują do żadnej luki. A. wake B. sides C. feeling D. sense E. ends F. awake Very Clever Creature! Bottle-nosed dolphins are a very clever species of a animal. They communicate with a variety of sounds and have a highly developed 1) ... of hearing that makes use of their teeth for antennae. They are very intelligent and have a large brain. In fact, compared to humans, they have double the brain power. Dolphins have to stay2)... all the time in order to breathe and carry on basic survival behaviours. During the night, they switch off the left and right 3) ... of their brain in turn. They never sleep!
W te luki 1 2 3 wpisać wyrazy są u góry ponumerowene ​