题目

题型：不详难度：来源：

______ is a best-known secret in success that get ready in much of our life and you may make the most of the opportunity．

A．What

B．As

C．It

D．That

答案

C

解析

句意：成功最著名的秘密是一生做好充分的准备那么，你就可以充分利用人生的机会。A. What什么；  B. As正如；C. It它，可以做形式主语或宾语； D. That那。It is a best-known secret in success that...相当于As is a best-known secret in success，....或者What is a best-known secret in success is that......。由句意可知选C。
考点: 考查代词的用法。