1、The earthThe airThe riverThe waterThe treesHow to save our mother earth?We should We shouldnt always drive cars.We should use bikes instead of cars.We shouldntWe should keep the air clean and fresh.We shouldWe shouldnt litter.We should keep the rivers clean.We shouldntWe shouldWe shouldnt cut too ma
2、ny trees.We should plant more trees.We shouldntWe shouldWe shouldnt waste water.We should save every drop of water.We shouldntWe should We shouldnt kill wild animals.We should protect wild animals.We shouldntChoose should or shouldntuse bikes instead of cars.keep the rivers clean.kill wild animals.k
3、eep the air clean and fresh.litter.plant more trees.waste water.We should We should We shouldnt We should We shouldnt We should We shouldntLets see what happened to the girl?Questions:1.What is the girl doing?She is washing her blouse.2.What does her mother say?She says we shouldnt waste water.3.Why shouldnt we waste water?We need water.Everyone needs water.4.Is there enough water on the eath?No,there isnt.5.What should/must we do?We must save every drop of water.
