10. With approximately 4 billion trees being cut down…............……..to satisfy the world’s need for paper alone, preserving the………………of forests continues to be an important………………( annual – deplete – prior)
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10. With approximately 4 billion trees being cut down….....annually ( adv/ hàng năm) .......……..to satisfy the world’s need for paper alone, preserving the………depletion( N/ cạn kiệt)………of forests continues to be an important………priority (N/ sự ưu tiên) ………( annual – deplete – prior)
