1.甚至河底都满是垃圾。 2.这个镇上的每个人都应该参与清扫。 Eventhebottomoftheriverwasfullofrubbish. Everyoneinthistownshouldplayapartincleaningit up.3.骑自行车有其它的优点。 4.我买外卖食品从来不拿木筷子和塑料叉子。 Thereareotheradvantagesofbikeriding. InevertakewoodenchopsticksorplasticforkswhenI buytakeawayfood. Theearthisbadlypolluted. Whatshouldwedotosavetheearth? Letstakeaction(采取行动 ) Turnoffthelights whenyouleavearoom. Recyclebooksandpaper. Takebusesinsteadof drivingcars. Therearesomeanimalswhichareendangered.We shoulddosomethingtoprotecttheanim
