◎ 题干
Bikes ______ in the 1880s and they ______ traveling around.
A.were invented; were used as
B.were invented; are used for
C.was invented; was used for
D.invented; are used to
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Bikes ______ in the 1880s and they ______ traveling around.A.were invented; were used asB.were invented; are used forC.was invented; was used forD.invented;…”主要考查了你对  【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。