Finish their homework

作业───task;他们───they

I have accomplished the task on schedule.───我按时完成了任务.

She was given the unenviable task of informing the losers.───让她去通知失败的人，真不是什么好差事。

Our task is to supply vegetables all the year round.───我们的任务是全年供应蔬菜.

Exploring really deep caves is not a task for the Sunday afternoon rambler.───勘探真正深邃的洞穴,决非星期天下午散步人的任务.

He was forced to entrust an assistant with the important task of testing and demonstrating aircraft to prospective customers.───他不得不将向潜在客户测试和展示飞行器的重任交托给一名助手。

He will now try to cut down the task to a manageable size.───他现在要努力把任务的规模降至可控的范围。

She performed the most challenging task without a mistake.───她毫无差错地完成了这一最富有挑战性的任务.

They had an awesome task ahead.───他们就要有十分艰巨的任务。