He didn't give up the plan though he------many times.

问题描述:

He didn't give up the plan though he______many times.
为什么要填has failed呢?
还是had failed
1个回答 分类:英语 2014-12-15

问题解答:

我来补答
前面都是did了,后面肯定不是has
 
 
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