It’s known to all that.改成what is known to all is that 中为什么要加

It’s known to all that.改成what is known to all is that 中为什么要加 It’s known to all that.把it换成what,that后面为什么要加上is. it is known to all that 和as is known to all that 区别 It's well-known to all that... It is known to all that sea water__(contain)salt. It is known to all that 的作文 it is known to all that smoking is harmful to one's health “ it is known to us all,as is known to us all和what is known to It is known to all that mathematics is the basis of all othe It's known to all that reading -----one's knowledge That is known to all,Taiwan belongs to China.改错 （What) is known to us all is that China is a developing coun