Do you have to study maths now?
你现在必须学数学么？
Do you have to study English now?
你现在必须学英语吗?。
You have to study with a teacher.
你必须向老师学习。
You have to study English, don't you?
你必须学习英语，不是吗？
To fulfill your goal, you have to study.
要想实现你的目标，你必须要努力学习。
I'll tell you why you have to study grammar.
我将告诉你为什么要学语法。
Of course, right now you have to study in China.
当然，现在一定在中国学习。
Medicine is a good career but you have to study for years.
a医药事业是非常好，但是你要学习很多年。
If you want to speak English well, you have to study hard.
如果你想要说好英语，你必须努力学习。
Yes, I'd love to be a doctor but you have to study for years.
是的，我想成为一名医生，但是你必须先学习几年。
Yes, I'd love to be a doctor but you have to study for years.
b是的，我想成为一名医生，但是你必须先学习几年。
At school, you have to study math, English, science, and history.
在学校，你必须学习数学，英语，自然和历史。
No matter which university you go to, you have to study really hard.
无论你上哪所大学，你都要非常努力地学习。
To understand the novel better, you have to study its social context.
要更了解这部小说的话，你就要去研读它的社会背景。
So you have to study yourself and perhaps your teacher will help you.
所以你们得了解自己，也许你们的老师可以帮你。
Do not ramble about the street after school, you have to study hard now.
放学后别到处闲逛，你现在要努力学习。
No matter which university you go to, you have to study hard as each university is unique.
无论你去上那所大学，你都必须努力学习，因为每所大学都是独特的。
Sometimes to solve a problem in one industry you have to study other analogous industries.
为了解决一个行业中的某项问题。
Mom: Think of it this way... you have to study no matter what, so just try to be happy when you do!
妈妈：你这样想吧……你无论如何都得念书，所以念书时就尽量高兴一点吧！
When you're a kid, you have to get up early in the morning and go to school. At school, you have to study math, English, science, and history.
当你是个小孩子的时刻，你必需天天早起去上学。在黉舍，你必须要学习数学，英语，自然科学和历史。
Math, too, but why are some people learn good, some people think math is more difficult to learn? That is about to see you have to study hard.
学数学也是一样，可是为什么就是有些人数学学的好，有些人却觉得数学学起来很难呢?那就要看你有没有努力去学了。
You have to be considerate of others, especially during study hours.
你必须要考虑他人习惯，特别是在学习的时间。
You have to be considerate of others, especially during study hours.
你必须要考虑他人习惯，特别是在学习的时间。
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