is known to us all is that the 2012 Olympic Games will take place in London.A. ItB. WhatC.

发布时间：2020-08-17 03:49:55

    is known to us all is that the 2012 Olympic Games will take place in London.
A. It
B. What
C. As
D. Which

网友回答

A. It
(答案→)B. What
C. As
D. Which
解析：通过分析句子结构，可知这个句子中包含一个主语从句和一个表语从句。引导词在主语从句中作主语，且表示什么的含义，故用What。
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