____is very natural,man can't live without air.

____is very natural,man can't live without air. Man can't live without air ro water改成状语从句 Man can't live ___ man can't live without air or water(保持句意不变) Man can't live _ We can't live without water ( )air As is natrual,man can't live without air and water.这句话怎么分析?为 Man can't live without air or water.(保持句意不变) man can't live without ---water who can live without air We can't live without air.(改为同义句） (A ) can't live without air or water. The man can't live without air and water.这句话错了么,错在哪,为什么? man can't live without water.为什么不用a man