问题
选择题
Thanks to their hard work, the new bridge has been finished ________.
A．in front of schedule
B．ahead of schedule
C．behind schedule
D．beside schedule
答案
答案：B
题目分析：考查词组：ahead of schedule提前，句意：多亏了他们的努力工作，新桥已经被提前完成了。选B。