来自董卫萍的问题
题目takingcareoftrees写一篇英语作文急~~~~~~!
题目takingcareoftrees写一篇英语作文急~~~~~~!


题目takingcareoftrees写一篇英语作文急~~~~~~!
题目takingcareoftrees写一篇英语作文急~~~~~~!
Thesedays,alotofpeoplecutdowntrees,leadingtoalargenumberofforestdestruction.Thetreeisourearthdefender,itforpeoplepurifyair,absorbcarbondioxidetohumanbeings,verybenef...