We must study hard, mustn't we?
我们应该努力学习，不是吗？
So we must study hard from now on.
所以我们必须从现在开始努力学习。
We must study hard for the people.
我们必须为人民而努力学习。
On the one hand, we must study hard.
一方面，我们应该努力学习。
We must study hard for our motherland.
我们要为祖国而勤奋学习。
我们必须努力学习。
我们必须好好学习。
We must study hard to keep up with The Times.
我们一定要努力学习，以赶上时代的步伐。
We must study hard and make progress every day.
我们必须好好学习，天天向上。
At last, I think we must study hard and never give up.
最后，我认为我们必须努力学习，永不放弃。
Secondly, we must study hard because knowledge is power.
其次，我们必须努力学习，因为知识就是力量。
We must study hard before we can overcome our shortcomings.
只有努力学习，我们才能克服缺点。
We must study hard because the future of China belongs to us.
我们必须努力学习因为中国的未来属于我们。
We must study hard to set the stage for our future job hunting.
我们必须努力学习为未来找工作打好基础。
Here we must study hard, strive for an early return to society.
在这里一定要好好学习，争取早日回归社会。
Oh! ! After original each festival has a history, we must study hard, get to know the history of the festival.
哦！原来每个节日都有来历，以后我们一定要好好学习，多了解节日的来历。
We must study hard because knowledge is power. If we have the power, we can help to build our country and enjoy life better.
我们必须努力学习，因为知识就是力量。有了力量，就能建设我们的国家，更好地享受生活。
To do well on the exam, we must, again, study hard to score high in the subject.
为了能使考试成绩出色，我们要再次强调，要用功读英文才能得高分。
我们必须努力学习英语。
Just like our study, if we want to do well, we must have to study hard.
就如我们的学习，如果我们想要做得好，就必须努力学习。
We must make a resolution to study hard.
我们必须下决心努力学习。
Come on. It's normal. Now the business is hard to do. Yeah, you are right. We must work and study hard.
加油。很正常。生意很难做。你说的有道理，我们必须努力学习和工作。
First library whether one worth we person who treat place good beginning whether half we of success must study hard as new student for a long time.
第一图书馆是一个值得我们长时间待得地方作为新生良好的开端是成功的一半我们必须努力学习。
Therefore, we must make good use of our time and study hard when we am young.
因此，我们年轻时应当很好地利用时间努力学习。
我们都必须努力学习。
We must study English hard, mustn't we?
我们必须努力学习英语，对吗？
In the second place, we must study as hard as we can.
我们要尽可以或许的勤奋读书。
Second, we must study as hard as we can.
我们要尽可能的用功读书。
In the second place, we have to (must) study as hard as we can.
在第二名，我们必须(必需)学习一样艰苦象我们能。
In the second place, we have to (must) study as hard as we can.
在第二名，我们必须(必需)学习一样艰苦象我们能。
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