题目内容
His lack of professional knowledge _______for the failure of the experiment.
A.accounted | B.explained | C.counted | D.contributed |
A
解析
![](http://thumb.zyjl.cn/images/loading.gif)
练习册系列答案
相关题目
题目内容
His lack of professional knowledge _______for the failure of the experiment.
A.accounted | B.explained | C.counted | D.contributed |
A
解析