(单选题)

Bikes in 1880s and they travelling around.

A.were invented; used for

B.were invented; are used for

C.was invented; was used for

D.invented; are used for

参考答案：B

参考解析：

考查一般现在时的被动语态和一般过去时的被动语态。句意：自行车发明于19世纪80年代，用来周游世界。第一空的主语是复数名词Bikes，所以谓语动词应为复数形式，排除C项，且和invent之间是被动关系，应该被动语态，排除D项，应选择were invented；第二空“被用来做某事”使用固定搭配“be used for doing”。故选B。

知识点：

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Bikes ______ in 1880s and they ______ travelling around.

Bikes in 1880s and they travelling around.