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最佳答案：It's Our Duty To Protect Our Environment保护环境是我们的义务It's our duty to protect our e
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最佳答案：Our earth is not what it was before.In the past,it was very beautiful covered wi
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最佳答案：gdfgdfgdfgd
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最佳答案：The concept of responsibility is a necessary fiction.Although socities must hold
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最佳答案：A private American organization called Population Action International did the n
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最佳答案：今天,我和爸爸妈妈去了我家附近的一个菜市场,在菜市场上我看到了许多买东西的；有卖蔬菜的、水果的、玩具店、家用电器的、有许许多多买东西的、我到那里的时候已经是黑天
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最佳答案：1.Yes,I have.2.Yes,I have.3.No,I haven't.4.No,I haven't.5.No,I haven't.6.No,I ha