It is vital that we do something to save the earth.(保持原句意思不变)

问题描述:

It is vital that we do something to save the earth.(保持原句意思不变)
lt is vital_____ _____ _____ do something to save the earth.

填for us toIt is vital (for us to) do something to save earth 翻译是 :对我们来说做些事来挽救/拯救地球是很重要的It is vital that sb (should) do sth=It is vital for sb to do sth...