单选题
They are working ______ time to fulfill the task according to the schedule.
A. against B. over C. ahead of D. before
A
B
C
D
【正确答案】
A
【答案解析】
[解析] A．against time争分夺秒地；B．over time随着时间的推移；C．ahead of time提早；D．before在……以前。
提交答案
关闭