They are broadening the bridge to the flow of traffic. A. put off B. speed up C.
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They are broadening the bridge to_____ the flow of traffic.
A. put off B. speed up C.turn on D. work out
试题答案
【答案】
B
【解析】考察动词的辨析。句意为：他们正在拓宽桥面来加快交通流量。put off推迟 ；turn on打开； work out解决；算出；实现。