问题
选择题
This kind of plants are __________.Some day they will __________ forever.[ ]
A．dying off；die out
B．dying away；die off
C．dying down；die out
D．dying out；die away
答案
答案：A
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This kind of plants are __________.Some day they will __________ forever.[ ]
A．dying off；die out
B．dying away；die off
C．dying down；die out
D．dying out；die away
答案：A