◎ 题干
Our country, together with others in the Third World,________ hard to build a harmonious homeland
for human beings now.
[     ]
A. work  
B. working
C. is working  
D. are working
◎ 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“Our country, together with others in the Third World,________ hard to build a harmonious homeland for human beings now.[ ]A. workB. workingC. is workingD. a…”主要考查了你对  【现在进行时】【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。