B) Read the following sentences. 观察下列句子，并说明下列状语从句的类型。
1. If you study hard, you will get good grades. If you don't give up, you will succeed one day.
2. I didn't go to bed until I finished my homework. You can't leave until you finish your homework.
3. Although it rained heavily, we still went to the park. Although she is only five years old, she can play the piano very well.
4. Please turn down the music so that I can concentrate on my study. Read the question carefully so that you can answer it correctly.

B)1. 条件状语从句 2. 时间状语从句 3. 让步状语从句 4. 目的状语从句

Ⅳ. A) Complete the sentences with although, until, so that, or if. 用 although, until, so that, 或 if 填空，完成下列句子。
1. We should take notes in class we can review the key points later.
2. he got up late this morning, he still arrived at school on time.
3. You will improve your English you practice speaking every day.
4. Don't turn off the light your little sister finishes reading her storybook.
5. She saved her pocket money for months she could buy a new dictionary.
6. math is a little difficult for her, she never gives up practicing it.
7. Please speak slowly everyone in the class can hear you clearly.

1. so that 2. Although 3. if 4. until 5. so that 6. Although 7. so that

B) Complete the passage with although, until, so that, or if. 用 although, until, so that 或 if 填空，完成下面短文。
As middle school students, we often face some problems in our study and daily life. For example, many of us find it hard to manage our time well. Although we have a lot of homework and after - school activities, we need to learn to make a schedule 8 we can use our time more effectively (高效地).
When it comes to exams, some students feel very nervous. 9 you feel worried about your exam results, remember that the best way is to study hard step by step. Don't wait 10 the last minute to start reviewing.
We may also have trouble getting along with classmates. 11 there might be misunderstandings sometimes, we should talk to each other openly. If you have a disagreement with a classmate, try to understand their point of view 12 you can solve the problem peacefully.
In our studies, we will certainly meet difficult questions. 13 a problem seems too hard at first, don't give up. Ask your teachers or classmates for help 14 you can work it out. Keep practicing, and 15 you keep trying, you will make great progress.
Middle school life is full of challenges, but also full of opportunities. Let's face every problem bravely and find solutions wisely!

8. so that 9. If 10. until 11. If 12. so that 13. Although 14. so that 15. if