I think that was quite funny 为什么要省略主语?这是什么句型?

I think that was quite funny 为什么要省略主语?这是什么句型? 英语语法一个问题The cake I ate was delicious.为什么可以省略which 这是什么句型 Isn't that funny?是什么句型? that was quite a win.a win i think you should rightly take c That movie was extremdy funny!中文翻译是什么 it was midnight that i went home是什么句型 That was smartest thing I ever did是什么句型 I think it is a good thing that they do not.这是什么类型的省略句?要我写,我 请问这句话是什么句型 为什么that可以省略 为什么that不能被替换成when 句中的从句有是什么从句 That movie was extremely funny .为什么用was,不用is? All I Need Is You 省略的是That?是什么句型? i think +that+句子 that可以省略吗?