问题描述：
three parts of the article谓语用单数还是复数
有一道题是i‘ve already told you that the last three parts of the article___the most difficult to understand.不是说……of……是看后面名词的单复数吗?为啥还用are 我笨,
空格里的答案是are
有一道题是i‘ve already told you that the last three parts of the article___the most difficult to understand.不是说……of……是看后面名词的单复数吗?为啥还用are 我笨,
空格里的答案是are
问题解答：
我来补答展开全文阅读