◎ 题干
-- Do you know _    her mobile phone?
一 No, I think it cost her around 4000 yuan.
A.when your sister paid for
B.how much your sister will pay for
C.how much your sister paid for
D.when did your sister buy
◎ 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“ -- Do you know _her mobile phone?一 No, I think it cost her around 4000 yuan.A.when your sister paid forB.how much your sister will pay forC.how much your sis…”主要考查了你对  【宾语从句】【状语从句】  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。