I don't think the experiment is ___ failure, because it has provided us with ___

题干

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

上一题下一题 0.64难度单项选择更新时间:2013-10-22 03:15:46

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