◎ 题干
— Wow! It snowed last night. What a nice world!
— You're right. But it's more difficult to find my missing keys with snow________ the ground.
[      ]
A. covered  
B. cover
C. to cover  
D. covering
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— Wow! It snowed last night. What a nice world!— You're right. But it's more difficult to find my missing keys with snow________ the ground.[ ]A. coveredB.…”主要考查了你对  【现在分词】  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。