◎ 题干
They’ve made full preparations, but it remains ______whether they will be able to do a good job in the experiment.
A.to seeB.seenC.being seenD.to be seen
◎ 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“ They’ve made full preparations, but it remains ______whether they will be able to do a good job in the experiment.A.to seeB.seenC.being seenD.to be seen…”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。