◎ 题干
My mother was doing some ______ when her mobile phone ______ suddenly.

[     ]

A. shoppers; is ringing
B. shopping; rings
C. shopping; rang
D. shopping; is ringing
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“My mother was doing some______ when her mobile phone ______ suddenly. [ ]A. shoppers; is ringing B. shopping; rings C. shopping; rang D. shopping; is ri…”主要考查了你对  【动名词】【一般过去时】  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。