finally,at last& in the end 这三个词语的用法并不完全一样. 1.finally有两个意思. a.在列举时,可用来引出最后一项内容.We need to increase productivity.We need to reduce unemployment.And finally,we need to make our exports competitive on world markets.我们需要提高生产率,我们需要降低失业率,最后,我们还需要使我们的出口商品在国际市场上具有竞争力. b.用在句中动词前面，表示“等了好久才” After failing it many times ，We finally successed。经历了多次失败之后

demand 后面不能跟宾补

He demands me to pay.(f)

He   demands of me to pay.(t)

He demands that I (should) pay.(虚拟）

require

1.后接不定式，不定式要被动。

2.后接动名词，动名词

what's what 事情的真相；事情的来龙去脉

so what?那又怎样？

what is called所谓的

I'll tell you what.我告诉你一个好主意。

and what not等等；诸如此类

what is called所谓的