◎ 题干
The first thing ________ I did was to see if there were any products ________ might help me, but there only seemed to be powders ________ to kill snakes.
A.that; /; designedB.which; that; designed
C./; that; designedD./; which; design
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“The first thing ________ I did was to see if there were any products ________ might help me, but there only seemed to be powders ________ to kill snakes.A.that;…”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。