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原因连词 练习 用英语
在学习英语的过程中，掌握原因连词的用法是非常重要的。原因连词（conjunctions of reason）用于连接表示原因和结果的两个句子，使句子表达更加连贯和逻辑清晰。常见的原因连词包括 because, since, as 等，它们可以帮助我们在日常交流中更准确地表达因果关系。例如，"I stayed home because it was raining"（因为下雨，所以我待在家里），其中 because 表示原因，帮助我们理解为什么主语选择待在家里。
原因连词的使用不仅在口语交流中频繁出现，而且在写作中也至关重要。无论是写作文、报告还是邮件，恰当地使用原因连词能够使文章的逻辑性和说服力大大增强。在这一部分的练习中，我们将通过各种例句和练习题，帮助你熟练掌握这些连词的使用方法。通过反复练习和巩固，你将能够更自信地运用这些连词，使你的英语表达更加地道和流畅。
Exercise 1
<p>1. She was late *because* she missed the bus (表示原因的连词).</p>
<p>2. He didn't go to the party *since* he was feeling ill (表示原因的连词).</p>
<p>3. The game was canceled *because* it was raining heavily (表示原因的连词).</p>
<p>4. They couldn't finish the project on time *as* they faced many technical issues (表示原因的连词).</p>
<p>5. She decided to stay home *because* she had a lot of work to do (表示原因的连词).</p>
<p>6. He didn't call her *since* he lost his phone (表示原因的连词).</p>
<p>7. We had to leave early *because* the weather was getting worse (表示原因的连词).</p>
<p>8. They were excited *since* they had won the competition (表示原因的连词).</p>
<p>9. The store was closed *as* it was a public holiday (表示原因的连词).</p>
<p>10. She was happy *because* she received good news (表示原因的连词).</p>
Exercise 2
<p>1. She didn't go to the party *because* she was feeling ill (原因连词).</p>
<p>2. The match was postponed *since* it was raining heavily (原因连词).</p>
<p>3. I will call you later *as* I am busy right now (原因连词).</p>
<p>4. He couldn't attend the meeting *because* he was stuck in traffic (原因连词).</p>
<p>5. They decided to stay indoors *since* the weather was bad (原因连词).</p>
<p>6. We took a taxi *because* we were running late (原因连词).</p>
<p>7. The movie was cancelled *as* the projector was not working (原因连词).</p>
<p>8. She was happy *because* she got a promotion (原因连词).</p>
<p>9. They left early *since* they had a long drive ahead (原因连词).</p>
<p>10. He didn't eat lunch *because* he wasn't hungry (原因连词).</p>
Exercise 3
<p>1. She didn't go to the party *because* she was feeling ill (表示原因的连词).</p>
<p>2. We stayed inside *since* it was raining heavily (表示原因的连词).</p>
<p>3. The store was closed *as* it was a public holiday (表示原因的连词).</p>
<p>4. They decided to leave early *because* they had an early flight (表示原因的连词).</p>
<p>5. He didn't finish his homework *since* he was too tired (表示原因的连词).</p>
<p>6. She couldn't attend the meeting *because* she had a prior engagement (表示原因的连词).</p>
<p>7. The picnic was canceled *as* the weather was bad (表示原因的连词).</p>
<p>8. He got a promotion *because* he worked very hard (表示原因的连词).</p>
<p>9. They missed the train *since* they arrived late at the station (表示原因的连词).</p>
<p>10. The event was postponed *because* of the unexpected storm (表示原因的连词).</p>
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