◎ 题干
My son ______spend all his pocket money, but now he ______saving some of it.
A.was used to…used toB.used to…is used to
C.used to…used toD.was used to…is used to
◎ 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“My son ______spend all his pocket money, but now he ______saving some of it.A.was used to…used toB.used to…is used toC.used to…used toD.was used to…is used to…”主要考查了你对  【助动词】【介词短语】【固定搭配】【疑问词组】  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。