Thanks to their hard work, the new bridge has been finished .
A. behind schedule
B. ahead of schedule
C. in front of schedule
D. beside schedule
网友回答
A. behind schedule
(答案→)B. ahead of schedule
C. in front of schedule
D. beside schedule
解析：ahead of schedule；in advance；ahead of time这三个短语都是“提前”。
句意：多亏了他们的艰苦劳动，新桥才能提前完成。