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Question 1:
Penguins are warm-blooded animals but tend to live in very cold climates. However, they have two feather*^*coats as well as a layer of ....... (like whales do) under their skin called blubber to keep them warm.*^*
A. fish
B. figs
C. film
D. fat

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Vocabulary Practice: Penguins (1) | A2 - Elementary