His lack of professional knowledge _______for the failure of the experiment. A．accounted B．explained...
2023-01-07 13:43:25 105次 河北省09-10学年高一下学期第一次月考（英语） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
His lack of professional knowledge
_______for the failure of the experiment.
|
A．accounted
|
B．explained
|
C．counted
|
D．contributed
|
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