it--前文提到过的事物
He gave me a gift,but i didn't like it.
one--同类中的一个事物
I like riding bikes.would you please buy one for me?
that--指前面提到的the+名词
the payment of cleaners in shanghai is higher that in beijing.
it--前文提到过的事物
He gave me a gift,but i didn't like it.
one--同类中的一个事物
I like riding bikes.would you please buy one for me?
that--指前面提到的the+名词
the payment of cleaners in shanghai is higher that in beijing.