Many species because they didn't have enough food. A.died outB.died awayC.died u
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Many species ________ because they didn't have enough food.
A.died out
B.died away
C.died up
D.died off
试题答案
B

Many species ________ because they didn't have enough food.
A.died out
B.died away
C.died up
D.died off
B