◎ 题干

Henry always forgets things he has done. Yesterday he forgot__________ and looked for it everywhere.
A.to post the letterB.to have the letter posted
C.to have posted the letterD.having posted the letter
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Henry always forgets things he has done. Yesterday he forgot__________ and looked for it everywhere. A.to post the letterB.to have the letter postedC.to have p…”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。