Through the economic reform ,the economic situation of chi

问题描述:

Through the economic reform ,the economic situation of chi
throngh the economic reform ,the economic situation of china turn out much better than ---it--used to be 那个IT 不是有些时候用THAT 指代前边的SITUATION 这个不可数词吗,IT 也可以?

莫上当!
that通常用于指代一个句子,it指代名词