为什么用动词原形?The order ____ the *er be set free arrived too late.为什么填that?题中从句为什么用动词原形be?

问题描述:

为什么用动词原形?
The order ____ the *er be set free arrived too late.为什么填that?题中从句为什么用动词原形be?

that引导的是同位语从句.从句是个完整的句子不缺成分.原句其实是The order that the * should be set free arrived too late.句中的should省略了,主句中有order suggestion 等表示建议的词,从句应用虚拟,即加sh...