题目内容
_______that the ticket sales showed that the Shanghai Expo was one of the best ever held.
- A.It is reported
- B.What is reported
- C.What reported
- D.As is reported
试题分析:这个句子中,it是形式主语,真正的主语是后面that引导的主语从句。what放在句首时,that前应加系动词be,此时that引导的是表语从句;非限制性定语从句中的谓语为被动式时,常用as做主语,但这时as引导的非限制性定语从句与主语从句间应用逗号隔开,而不是用that引导了。所以选A。
考点:it作形式主语
点评:that从句作主语通常用it作形式主语,而将that从句置于句末。常见的it替代主语从句的主要举句型要牢记。
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