It's the third time that I-----(explain)the problem to you

问题描述:

It's the third time that I_____(explain)the problem to you
1个回答 分类:英语 2014-10-26

问题解答:

我来补答
这是固定句型结构中的时态搭配——【某人第几次做某事】
It /That/This 【is 】the...time that sb 【have done sth】
It /That/This【was】the...time that sb 【had done sth】
填【have explained】
 
 
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