(2)everyone&every one
everyone等同于everybody，all people ，指的是所有的人;
eg：Everyone thinks they have the right to be here.
every one既可以指人，也可以指物，强调一个个体，通常用every one of ;
eg：Every one of us has faults and shortcomings.
Every one of the films we have shown this year has been a succes.
(3)no one&none
no one 只能指人，none既可以指人，也可以指物，none后面还可以接of;
eg：No one failed the examination.
None of the students failed the examination.
6. it 的用法
(1)指代人，通常用于口语中;
(2)书面语：
① it 用来指代时间、距离、温度、天气等
eg：It's three years since I saw him.
② it 用来前指或者后指
eg：I've lost my book. Where is it?
There is no doubt about it that he was a fine teacher.
③ it 做形式主语
eg：Is it possible to learn typewriting very quickly?
④ it 做形式宾语，通常放在谓语动词和宾语补足语(形容词)之间，真正的宾语放在宾补之后
常见动词有：feel, consider, find, believe, make, take, imagine, think, suppose, regard
eg：She thinks it no use telling me.
He has made it clear that he wouldn't agree to the plan.