语法选择专项训练一Nowadays many people get used to wasting things, especially young people.In the school, waste can _1_everywhere.Some students ask for _2_food than they can eat and others often forget to turn off the lights _3_they leave the classroom.Waste can bring a lot of problems.Someone says China is rich in some resources, such as coal, oil, trees and so on.Some people even say,“ _4_rich our country is!” But actually we _5_no coal or oil to use in 100 years if
