问题
选择题
They are broadening the bridge to the flow of traffic.
A．put off
B．speed up
C．turn on
D．work out
答案
答案：B
题目分析：句意：他们拓宽了大桥来加速交通的流畅。put off延期 speed up加速 turn on打开 work out解决，选B。
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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
答案：B
题目分析：句意：他们拓宽了大桥来加速交通的流畅。put off延期 speed up加速 turn on打开 work out解决，选B。