We'd better hand in our homework on time

作业───task;最好───best

The task has been accomplished according to schedule.───任务已如期完成.

He is not competent to the task of teaching English.───他不能胜任英语教学工作.

The identification of the crash victims was a long and difficult task.───鉴别坠机意外伤亡者的工作费时而且困难重重。

a mindless and repetitive task───机械重复的工作

The task force is comprised of congressional leaders, cabinet heads and administration officials.───工作小组由国会领导人、内阁首脑和行政官员组成。

Stick to the task until it is finished.───坚持下去,直到完成任务.

The day's events, he said, would only complicate the task of the peacekeeping forces.───他说白天发生的事件只会使维和部队的任务更为复杂。

Don't forget that she's new to this game and will take a while to complete the task.───别忘了她缺乏这方面的经验，完成任务还需要一些时间。