I have three pens,none of them is expensive中的一个语法错误是什么啊,是不是问

问题描述:

I have three pens,none of them is expensive中的一个语法错误是什么啊,是不是问题在none of them上啊
1个回答 分类:英语 2014-10-19

问题解答:

我来补答
them改which
 
 
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