◎ 题干
To get a better view of the stage, ____________________.
A.our seats had to be changed.
B.our seats were changed
C.our seats are changed
D.we had to change our seats.
◎ 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“To get a better view of the stage, ____________________.A.our seats had to be changed.B.our seats were changedC.our seats are changedD.we had to change our sea…”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。