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最佳答案：Cherish our resources and take good care of our environment.Cherish our resource
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最佳答案：The more trees we plant,the better environment will be.
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最佳答案：it's our duty to protect our environment.
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最佳答案：We should consider about the impact to the environment.
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最佳答案：Love the enviornment and keep our home clean.
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最佳答案：We should protect the environment and preserve our earth.We should throw those u
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最佳答案：the environmental pllution cause a great effection to us,so we shouldprotect env
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最佳答案：It is our duty to protect the environmentIt is our duty to keep the environment
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最佳答案：If our environment is destroyed,we'll really lose all things.
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最佳答案：担忧的问题直接用concern就可以表示了Environmental issue is one of our most concerns.