2. I don’t think the experiment is failure, because it has provided us with valuable exp

发布时间：2020-08-16 06:14:07


2. I don’t think the experiment is      failure, because it has provided us with      valuable experience for our future tests.
A. 不填; 不填
B. 不填; a
C. a; a
D. a; 不填

网友回答

A. 不填; 不填
B. 不填; a
C. a; a
(答案→)D. a; 不填
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