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最佳答案：我们通过种树使得这些山绿起来（keep/make sth.+adj）We keep these mountains green through/by growi
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最佳答案：1.I think the best way to protect the environment is to plant more trees.2.A pic
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最佳答案：Douglas fir has thick barks.In the event of forest fire,the barks will exude som
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最佳答案：①我听说,要想使树木生长得茂盛,必须稳固它的根部.②摇动它的根并且观察它稀疏还是稠密（或 摇动树干来观察栽得是松是紧）.③陛下想行仁政,那么何不返回到根本上来呢
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最佳答案：there are 4seasons in a year,each season has its own characteristicsbut I like s
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最佳答案：截至到去年末,他已经做了一百个玩具飞机As of late last year,he has made one hundred a toy plane去年他参军
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最佳答案：1 think the best way to protect the environment is more trees.2 weekend picnics
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最佳答案：1 Some young pioneers are planting trees over there near the park.2 Please get r
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最佳答案：This is a great environmental activities, in this activity, we do three work.Fir
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最佳答案：1.I think the best way to protect the environment is to plant trees2.Having a pi