一道小小的sat语法题~

问题描述：

一道小小的sat语法题~
Unfortunately,the opening of the new library complex, next September, delayed for several monthes construction difficulties.
答案是C,为什么不对呢?应该改成什么?!
O(∩_∩)O谢谢

1个回答分类：英语 2014-11-05