◎ 题干
—Are these seats available?
—Sorry, sir. The seats ________.
A.have reservedB.are reserved
C.reservedD.are reserving
◎ 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“—Are these seats available?—Sorry, sir. The seats ________.A.have reservedB.are reservedC.reservedD.are reserving…”主要考查了你对  【一般现在时】【一般现在时的被动语态】  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。