Plants are very important living things.Life can not go on (

Plants are very important living things.Life can not go on (1)plants.this is because(2)can make food from air,water and sunlight.Animals and man can not do (3).Animals get their food by eating plants and(4)animals.everyone gets his food by eating plants and (5),too.SO animals and man (6)plants to live.This is (7)we find there are so mang (8)around us.
在1,2,3,4,5,6,7,8的括号里填上单词．