Maybe we can save a lot of trees if we reuse the paper.A. recycling B. recycled C. to recycle D. recycles B [解析] 句意:如果我们重复利用回收的废纸.也许我们可以挽救许多树.recycle是动词.意为“回收 .A是其ing形式.B是其过去分词或过去时形式.C是其不定式形式题目和参考答案——青夏教育精英家教网—

Maybe we can save a lot of trees if we reuse the________paper.

A. recycling B. recycled C. to recycle D. recycles

B 【解析】句意：如果我们重复利用回收的废纸，也许我们可以挽救许多树。recycle是动词，意为“回收”，A是其ing形式，B是其过去分词或过去时形式，C是其不定式形式，D是其第三人称单数形式。这里是缺少名词paper（纸张）的定语，动词的过去分词作定语表示分词所发生的动作与被修饰词语之间存在被动关系，本句中是“纸张”被回收，两者之间存在被动关系，也就是“被回收的纸张”，需要使用过去...

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