根据短文内容，选出四个选项填入文中空缺处，使短文内容通顺完整，有一项多余。

Homework is a problem for students all over the world. As a student, you have a lot of homework to do every day. It’s a major part of a student’s school day. It’s the best way to review what you have learned in class. And it helps you understand important concepts(概念). 【小题1】

Be sure you understand the homework

Write your homework down in your notebook if you need to. 【小题2】 It’s much easier to ask the teacher during(在……期间) or after class than to try to remember later that night!

Use your time at school

Many schools have study halls. They are designed to(被设计) allow (允许) students to study there. It’s more interesting to play with your friends. But the more homework you finish at school, the less you’ll have to do that night.

【小题3】

It’s difficult to hold your attention for too long. So take some breaks(休息) while doing your homework. Sitting for too long without relaxing will make you feel very tired. Taking a 15-minute break every hour is a good idea for most people.

Make a plan

If you don’t finish your homework at school, think about how much you have left(剩下), so you can plan your time. Most students have between 1 and 3 hours of homework a night. If it’s a heavy homework day, you’ll need to spend more time on it.

【小题4】, especially(尤其是) when you want to enjoy sports or other activities.

A．Take a break

B．Luckily, there are several things you can do to make homework less difficult.

C．Don’t be afraid of(害怕) asking questions about it.

D．Don’t take a break when you do your homework.

E．It’s a good idea to make a homework timetable(时间表)