U.S. News ____________ rankings of colleges since 1983. They are a ver

News · 发表于 10 小时前

U.S. News ____________ rankings of colleges since 1983. They are a very
popular resource for students looking to apply to university campus.
A、maintains

B、ismaintaining

C、maintained

D、hasbeenmaintaining

扯不断 · 发表于 10 小时前

正确答案：D
答案解析：暂无解析

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U.S. News ____________ rankings of colleges since 1983. They are a ver

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