将句子合成含有定语从句的句子water is really important to human beings.man can't live without water.
问题描述：
将句子合成含有定语从句的句子
water is really important to human beings.
man can't live without water.
答
water without which man can't live is really important to human beings.
答
Man can't live without water which is really important to human beings
答
Man can't live without water,which is really important to human beings.
Water is really important to human beings,who can't live without water.
答
Water without which man can't live is really important to human beings