it is possible to do sth和it possible to do sth谁是正确的
问题描述：
it is possible to do sth和it possible to do sth谁是正确的
答
这是it的两个不同用法,it is possible to do 是it做形式主语,例如It is possible to answer the question.而it possible to do 是it做形式宾语的用法,例如Do you think it possible to work out this problem....