◎ 题干
It is worth considering what makes“convenience”foods so popular, and ______better ones of your own.
A.introduces B.to introduce C.introducing D.introduced
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“It is worth considering what makes“convenience”foods so popular, and ______better ones of your own.A.introducesB.to introduceC.introducingD.introduced…”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。