he hasn't failed the exam ------

问题描述:

he hasn't failed the exam ______
后面要填一个词,填什么?
1个回答 分类:英语 2014-11-15

问题解答:

我来补答
您好!现在完成时的否定句,句末用yet .望采纳!谢谢!
 
 
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