复合句是英语中常见的句型，由主句和一个或多个从句组成，使句子更详细丰满。文章提供了20个复合句例子，如“尽管下雨了，他还是去散步了。”和“我今晚会早点睡觉，因为明天有早会。”等，以帮助理解复合句的构造和用法，提升英语写作水平。
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Although it was raining, he still went for a walk. 尽管下雨了，他还是去散步了。
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I will go to bed early tonight because I have an early meeting tomorrow. 我今晚会早点睡觉，因为明天有早会。
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She went to the store after she finished her homework. 她完成作业后去了商店。
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He didn't study for the exam, so he failed it. 他没有为考试学习，所以失败了。
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I like to read books that are written by my favorite authors. 我喜欢读我最喜欢的作者写的书。
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While I was cooking dinner, the phone rang. 当我在做晚饭的时候，电话响了。
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Because he was tired, he decided to take a nap. 因为他累了，他决定小睡一会儿。
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The teacher asked us to finish our assignment before the end of the week, which was a reasonable request. 老师要求我们在本周结束前完成作业，这是一个合理的要求。
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After he finished his work, he went to the gym to work out. 他完成工作后，去健身房锻炼了。
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Although he was sick, he still went to work. 尽管他生病了，他还是去上班了。
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I will buy a new car as soon as I save enough money. 我一有足够的钱就会买一辆新车。
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Because she was interested in science, she decided to become a scientist. 因为她对科学感兴趣，所以决定成为一名科学家。
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After I finish my workout, I will take a shower. 我锻炼完后会洗个澡。
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Although it was late, he continued to work on his project. 尽管很晚了，他仍在继续他的项目。
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I will go to the store after I finish my breakfast. 我吃完早餐后会去商店。
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Since he didn't have any money, he couldn't buy the ticket. 由于他没有钱，他无法购买门票。
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She was happy because she received a promotion at work. 她很高兴，因为她在工作中得到了晋升。
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He didn't want to go to the party, but his friends convinced him to go. 他不想去参加晚会，但他的朋友们说服了他去。
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I will call you when I arrive at the airport. 我到机场后会给你打电话。
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Although it was a difficult decision, she decided to end the relationship. 尽管这是一个艰难的决定，但她决定结束这段关系。
