Do his homework

作业───task;作───do

The president knows his task is to fire up the delegates.───总统知道自己的任务就是唤起代表的热情。

The task is arduous; besides , there's not much time.───任务 艰巨, 同时时间又很紧迫.

The task I have in mind requires little more than perceptiveness and a good memory.───我在考虑的任务需要的正是洞察力和良好的记忆力。

She's set herself a difficult task.───她给自己安排了一项艰巨任务。

He had failed to prepare adequately for the task before him.───他没有为面临的任务做充分的准备.

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

The way with which you'll go about the task really matters.───你做这件事要采用的方法的确很重要.

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