---______ the farmers discovered the entrance to the secret cave in the valley?

题型：不详难度：来源：

---______ the farmers discovered the entrance to the secret cave in the valley?
--- Totally by chance.

A．When was it that

B．How was it that

C．How it was that

D．When it was that

答案

解析

试题分析：通过分析句子结构，可知这是一个特殊疑问句的强调句，基本结构是“特殊疑问词 + is/ was + it that……”因为把强调句的基本结构is/ was + it that去掉仍然是一个完整的句子，所以是强调句。

举一反三

—The room is in a mess again!
——Sorry. It is ______ who ______.

A．me, is to blame

B．I, is to be blamed

C．me, am to be blamed

D．I, am to blame

题型：不详难度：| 查看答案

Almost everyone has his own strengths and weaknesses. It is _______ others are weak that maybe you have a great advantage.

A．although

B．unless

C．because

D．where

题型：不详难度：| 查看答案

________ you met the foreigner from Canada?
A. Where it was that B Who it was that
C. Where was it that D. Where was that

题型：不详难度：| 查看答案

—Where did you see him for the first time?
— It was in the factory _________ we worked.

A．that

B．where

C．which

D．when

题型：不详难度：| 查看答案

It was only when I reread his poem recently _____ to appreciate its beauty.

A．that I began

B．did I begin

C．I began

D．until I began

题型：不详难度：| 查看答案