人教版九年级下册英语Unit 13　We're trying to save the earth! Section A (3a-3b) 课件.ppt

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Unit 13Were trying to save the earth,Section A 2 3a-3b,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。,Even the bottom of the river was full of rubbish.,Everyone in this town should play a part in cleaning it up.,3.骑

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人教版九年级下册英语Unit 13 We're trying to save the earth! Section A (3a-3b) 课件.ppt

人教版九年级下册英语Unit 13　We're trying to save the earth! Section A (3a-3b) 课件.ppt