John was sad because he----- his English exam

问题描述:

John was sad because he_____ his English exam
1个回答 分类:英语 2014-12-16

问题解答:

我来补答
failed
再问: 什么原因
再答: fail.....exam就是考试不及格 此处有了was,就是-ed形式
 
 
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