◎ 题干
—What do you want to be when you grow up?
—I want to be _________ social worker. Many people are in great need of our help.
[     ]
A. a              
B. an          
C. the            
D. 不填
◎ 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“—What do you want to be when you grow up?—I want to be _________ social worker. Many people are in great need of our help.[ ]A. aB. anC. theD. 不填…”主要考查了你对  【不定冠词(a,an)】  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。