In my opinion，life in the twenty－first century is much easier than ________.
A．that used to be
B．it is used to
C．it was used to
D．it used to be
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◎ 解析
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◎ 知识点
根据n多题专家分析，试题“In my opinion，life in the twenty－first century is much easier than ________.A．that used to beB．it is used toC．it was used toD．it used to be…”主要考查了你对 【现在分词的被动式】，【现在分词】，【不定式的被动式】，【过去分词】 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。
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