You've been doing your homework for such a long time
这么长时间───For such a long time;作业───task
Why do koalas sleep for such a long time?───为什么考拉睡那么久？
I've been waiting for such a long time! '!───我一直等待这么长的时间！
I was caught in a traffic jam for over an hour, otherwise I would have not kept you waiting for such a long time.───我遇上塞车堵了一个多小时，否则我就不会让你等这么长时间。
Peace has been high on your agenda for such a long time, but ignored by the dark Ones who use wars to hold you back.───已经作为你们议程的高级面向很多年了，却被那些黑暗势力刻意的忽视好让你们停滞不前。
He's been eyeing this position for such a long time, but the boss promoted someone below him and that was a bit hard for him to swallow.───他想得到这个职位已经很长时间了，但是上司却提拔了他的下属，这使他很难接受。
It was just. . . very, very pleased and relieved, I think, because, you know, we've worked on this film for such a long time. . .───那简直是…非常，非常的高兴和松了口气，我是怎么想的，因为，你是知道的，我们已经花了相当多的时间在拍摄这部片子…
But to wrench Aunt Lou from the home which had been hers for such a long time would be to kill her.
After study for such a long time, let's take five.
I'm awfully sorry to have kept you all waiting for such a long time.
We had been away for such a long time that I had forgotten her name.
He'd been so much taller than her for such a long time that it had become a standing joke.