题目内容
—Look! So many colorful bicycles in two lines over there.
—They’re for public. This kind of green smart traffic is ______ in big cities now.
A. everything B. everyone C. everyday D. everywhere
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题目内容
—Look! So many colorful bicycles in two lines over there.
—They’re for public. This kind of green smart traffic is ______ in big cities now.
A. everything B. everyone C. everyday D. everywhere