[单选题]The road system in Beijing's downtown area is being _______ to make public transportation easy and improve efficiency.
北开题库
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2023-10-01 08:02:18
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11
[单选题]The road system in Beijing's downtown area is being _______ to make public transportation easy and improve efficiency.

A.built
B.designed again
C.constructed
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国家开放大学

形成性考核

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