that引导什么从句可省略

　　例句：

　　We had to work within the parameters that had already been established.

　　我们必须在已设定的范围内工作。

　　You could see from his face that he was lying.

　　从他的表情上你可以看出他在说假话。

　　She's a changed woman since she got that job.

　　她自从得到了那份工作，变得判若两人。

　　I'll never have that kind of money.

　　我永远不会有那么多的钱。

　　Many people think that party politics should not enter into local government.

　　许多人都认为，地方政府内不应拉帮结派。