◎ 题干
Learning English well _____ not easy and it needs great effort. 
[     ]
A. is
B. are
C. was
D. were
◎ 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“Learning English well _____ not easy and it needs great effort.[ ]A. isB. areC. wasD. were …”主要考查了你对  【主谓一致】  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。