题目内容
They want to know how to deal with the ________ problems. There are too many cars, buses and bikes on the street in the rush hour.
A. food B. noise
C. education D. traffic
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阅读快车系列答案题目内容
They want to know how to deal with the ________ problems. There are too many cars, buses and bikes on the street in the rush hour.
A. food B. noise
C. education D. traffic
阅读快车系列答案