（2016•湖北）-- Look! So many colorful bicycles in two lines over there.-- They're for public. This ______ of green smart traffic is everywhere in Xiangyang city.

题型：单选题题类：常考题难易度：普通

湖北省2017届九年级英语专题练习：名词

-- Look! So many colorful bicycles in two lines over there.

-- They're for public. This ______ of green smart traffic is everywhere in Xiangyang city.

A、number B、pair C、kind D、piece

举一反三

—Sure. Practice makes perfect.

—It is my . My books are in it.

— Wang Baoqiang. His movies are very interesting.

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