我们提前完成了项目。

We finished the project ___ahead ___of ___schedule.

然而，如果项目提前完成，将给予奖金。

However, a bonus will be given if the project finishes ___ahead ___of ___schedule.

为确保效率，请提前完成任务。

To ensure efficiency, complete the tasks ___ahead ___of ___time.