Unit 8?We shouldn’t waste waterРshould 应该Рshouldn’t = should not ?不应该Рblouse?女式衬衫Рkeep the rivers cleanР保持河流清澈РshouldРkeep the air clean and freshР保持空气洁净清新РshouldРplant more treesР多植树РshouldРuse bikes instead of carsР骑自行车代替开车РshouldРshouldn’t kill wild animalsРshouldn’t?waste water
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