It is + adj.for sb.to do sth.和动词-ing做主语的句型转换

问题描述:

It is + adj.for sb.to do sth.和动词-ing做主语的句型转换
Saving endangered animals is one thing we can do for our world 转换为 It is +adj.for sb.to do sth.的形式

It is necessary/important for us to save endangered animals.