初三英语题make reuse waste be careful about buy our school is one

初三英语题
make reuse waste be careful about buy
our school is one of the green schools in our city . everyone in our school ___ protecting environment . we all agree that it's ___ to throw away glass , paper and metal .
so when we collect the ___ waste , we will take it to recycling companies . the students here are also encouraged to repair the broken things instead of ___ new ones . on sunday we get together to pick up paper along the street or try our best ___ the lake in our city cleaner .