◎ 题干
______ to use in January, 2010, the road has solved the longstanding problem of traffic jams of this area.
[     ]
A.Put  
B.Putting
C.Having put  
D.Being put
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“______ to use in January, 2010, the road has solved the longstanding problem of traffic jams of this area.[ ]A.PutB.PuttingC.Having putD.Being put…”主要考查了你对  【过去分词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。