Water fog (or if unavailable fine water

Water fog (or if unavailable fine water WATER but they will die if two or three days without water这儿if作什么用 1.People can’t live if there isn’t air or water.同义句转换 People can't live if there no water or air(改为同义句）. if there ___no air or water,what___we do A:were;would B:are; Nothing can live if there is no air or water.用without改写 句型转换1,Nothing can live if there is no air or water.(用without people can't live if there is not water or air people can't "Man will die if there is no water or air,"he said.改为间接引语 Living things will die if there is no air or water等于什么 they had no food or water等于?