Penguins spend most of their time in the ocean but they cannot .
Question 1:
Penguins spend most of their time in the ocean but they cannot ....... under water because they don't have*^*gills like fish do. Fortunately, they can hold their breath for a long time so they are able to catch and eat fish*^*under water.
A.breathe
B.birth
C.reveal
D.sneeze
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