◎ 题干
All of ______ sudden an idea flashed in her mind: she decided to save one or two pennies at ______ time
at the grocery.

[     ]

A. a; the
B. /; a
C. the; a
D. a; a
◎ 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“All of ______ sudden an idea flashed in her mind: she decided to save one or two pennies at ______ time at the grocery. [ ]A. a; the B. /; a C. the; a D.…”主要考查了你对  【不定冠词】  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。