1.由that引导的宾语从句

that引导宾语从句时常常省略。

I thought(that)you had read the book．

我还以为你读过那本书呢。

He told us that he felt ill．

他对我们说他感到不舒服。

Her life shows us that hard work and discipline are the road to self-improvement，and(that)success lies somewhere along that road．(人教大纲版高一下第34页)

她的一生向我们表明，艰苦奋斗和严守纪律是改善自己的途径，而成功也在其间了。

He knew that the church had many secret rooms and that not all of them were safe．(人教大纲版高一上第83页)

他知道教堂有许多密室，但它们并不都是安全的。