A-A+

They overcame all the difficulties and complet

2022-08-01 22:05:16 问答库 阅读 167 次

问题详情

They overcame all the difficulties and completed the project two months ahead of time, ______ is something we had not expected.
A.which
B.it
C.that
D.what

参考答案

正确答案:A
解析:他们克服一切困难,提前两个月完成了工程,这是我们没有料到的事。Which引导非限制性定语从句。因此正确答案是A。

考点: