In most parts of the world,many students help their schools make less pollution（污染）.They join“ 16 ”.In a meaningful（有意义的）club,people work together 17 our environment clean.Here are somethings students often do.
No-garbage（废料,垃圾） lunches.How much do you throw away 18 lunch?Environment clubs ask students to bring their lunches in bags that can 19 again.Every week,they will choose the classes that make the least garbage and report them to the whole school.
No-car day.On a no-car day,20 comes to school in a car.Neither the students nor the teachers!Cars give pollution to the air（空气）.21 remember:walk,jump,bike or run.Use your legs!It's lots of fun.
22 the water!Did you know that some toilets（厕所）could 23 twenty to forty cubic（立方的）metres of water an hour?In a year,to your 24 ,that would fill a small river!In environment clubs,students repair those broken toilets 25 .
We love our environment.Let s work together and make it clean.
（ ）16.A.no-car day B.environment clubs C.new music groups D.no-garbage lunches
（ ）17.A.make B.making C.to make D.will make
（ ）18.A.since B.until C.before D.after
（ ）19.A.use B.be used C.throw D.be thrown
（ ）20.A.somebody B.anybody C.everybody D.nobody
（ ）21.A.So B.And C.But D.Or
（ ）22.A.Turn on B.Turn up C.Turn off D.Turn down
（ ）23.A.waste B.give C.keep D.throw
（ ）24.A.surprise B.surprised C.surprising D.surprisingly
（ ）25.A.their B.they C.them D.themselves