2. 外语
  3. They are working ______ time to fulfill the task according to the schedule.

They are working ______ time to fulfill the task according to the schedule.

admin2011-01-05  28
问题 They are working ______ time to fulfill the task according to the schedule.
选项 A、against
B、over
C、ahead of
D、before
答案A
解析 (against以……为竞争对手)。句意为：为了按时完成任务，他们只争朝夕地工作。B．over同work连用，意为“检查”；C．ahead of后跟time，意为“提前”；D． before在……之前。
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