◎ 题干
Don't be nervous about _________ confidence at social event. Get prepared in advance.

[     ]

A. a lack
B. lack in
C. lacking of
D. lack of
◎ 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“阅读理解。TheDog'sBowl Thedogissad. Shelooksfor (寻找)herbowl. Isitonthechair? No, thebowlisnotthere. Isitby (在……附近)thebed? No, thebowlisnotthere. Isit…”主要考查了你对  【介词和介词短语】  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。