When I tried to find _________that prevented so many people from taking part in

题型：不详难度：来源：

When I tried to find _________that prevented so many people from taking part in the program, it seemed to me that there were two main reasons.

A．why it did

B．that it did

C．what it was

D．why it was

答案

解析

本题是强调句和宾语从句的考查。宾语从句缺少主语，用what。强调句中强调部分为疑问副词应提前，故选C项。

举一反三

All the people in the nation can remember exactly how many years ago _______ the civil war broke out.

A．was it that

B．it was when

C．it was that

D．was it when

题型：不详难度：| 查看答案

On the contrary, I think it is Truman, _______you, ____to blame.

A．more than; are	B．less than; who are
C．rather than; that is	D．rather than; is

题型：不详难度：| 查看答案

It was about 600 years ago __________ the first clock was made.

A．that

B．until

C．before

D．when

题型：不详难度：| 查看答案

It was not until she had arrived home _____ her appointment with the doctor.

A．did she remember	B．that she remembered
C．when she remembered	D．had she remembered

题型：不详难度：| 查看答案

It is partly _____ the summer day is longer that everything has a larger time to warm up.

A．for

B．that

C．the reason

D．because

题型：不详难度：| 查看答案