27.The question at present has something important to do with our nature.A. to be discuss

发布时间：2020-08-15 02:55:50


27.The question      at present has something important to do with our nature.
A. to be discussed
B. to be discussing
C. discussed
D. being discussed

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A. to be discussed
B. to be discussing
C. discussed
(答案→)D. being discussed
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