◎ 题干
--Good morning. How much should I pay for these books ________ to Alabama?
-- Hm, about ten dollars.
A.being sent B.to be sent C.sent D.having been sent
◎ 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“--Good morning. How much should I pay for these books ________ to Alabama? -- Hm, about ten dollars.A.being sentB.to be sent C.sentD.having been sent…”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。