原因状语从句专项训练
高中英语原因状语从句形式练习题30题答案解析版
高中英语原因状语从句形式练习题30题答案解析版1.He was absent from school because he was ill.A.asB.sinceC.forD.because of答案解析：本题正确答案是because he was ill。
as、since、for 也可以引导原因状语从句，但as 引导原因状语从句时语气较弱，常表示附带说明的双方已知的原因；since 引导原因状语从句时语气比as 强，常表示稍加分析后得出的原因；for 引导原因状语从句时一般放在句末，且用逗号隔开。
because of 后接名词、代词或动名词，不能接句子。
2.She didn't go to the party because she had a lot of homework to do.A.asB.sinceC.forD.because of答案解析：本题正确答案是because she had a lot of homework to do。
as、since、for 的用法同上一题。
because of 后接名词、代词或动名词，不能接句子。
3.The ground is wet because it rained last night.A.asC.forD.because of答案解析：本题正确答案是because it rained last night。
as、since、for 的用法同上。
because of 后接名词、代词或动名词，不能接句子。
4.He was late for school because his bike was broken.A.asB.sinceC.forD.because of答案解析：本题正确答案是because his bike was broken。
as、since、for 的用法同上。
because of 后接名词、代词或动名词，不能接句子。
初一英语原因状语从句练习题30题含答案解析
初一英语原因状语从句练习题30题含答案解析1.She is happy today because she got an A in the exam.A.soB.butC.and答案解析：答案为because。
“because”表示原因，“她今天很开心是因为她在考试中得了A”。
“so”表示结果，不符合语境；“but”表示转折，也不符合；“and”表示并列，同样不合适。
2.He is late for school since he missed the bus.A.becauseB.soC.but答案解析：答案为since。
“since”在这里也表示原因，“他上学迟到了因为他错过了公交车”。
“because”意思相近，但这里更强调由于某个已知的事实而产生的结果；“so”表示结果；“but”表示转折。
3.As it is raining, we can't go out for a walk.A.BecauseB.SoC.But答案解析：答案为As。
“As”表示原因，“因为正在下雨，我们不能出去散步”。
“Because”意思也对，但“As”更强调伴随的情况；“So”表示结果；“But”表示转折。
4.She didn't go to the party because she was sick.A.sinceB.asC.so答案解析：答案为because。
“because”明确表示原因，“她没去参加聚会是因为她生病了”。
“since”和“as”也可表原因，但在这个语境中“because”更直接；“so”表示结果。
5.He can't play basketball since he hurt his leg.A.becauseB.asC.but答案解析：答案为since。
“since”表示原因，“他不能打篮球因为他伤了腿”。
“because”和“as”意思相近，但“since”更强调已知的事实；“but”表示转折。
高中英语原因状语从句形式练习题30题(答案解析)
高中英语原因状语从句形式练习题30题(答案解析)1.She was absent from school because she was ill.A.becauseB.sinceC.asD.for答案解析：A。
because 表示直接的原因，语气最强。
本题中她缺课是因为生病，是直接原因，所以选because。
since 和as 语气较弱，通常表示已知的原因，for 通常不用于句首且是对前面内容的补充说明。
2.Since he is experienced, he can handle this task easily.A.becauseB.sinceC.asD.for答案解析：B。
since 表示“既然，由于”，强调双方都知道的原因。
本题中因为他有经验，所以能轻松处理这个任务，是大家都知道的原因，选since。
because 语气更强，as 和for 不符合语境。
3.As it was raining, we stayed at home.A.becauseB.sinceC.as答案解析：C。
as 表示较为明显的原因，通常放在句首。
本题因为下雨所以我们待在家里，下雨是比较明显的原因，选as。
because 语气最强，since 和for 不合适。
4.He failed the exam because he didn't study hard.A.becauseB.sinceC.asD.for答案解析：A。
because 直接说明他考试失败的原因是没努力学习，语气最强。
since 和as 不合适，for 不用于此语境。
5.Since you are tired, you should take a rest.A.becauseB.sinceC.asD.for答案解析：B。
since 表示既然你累了，累是大家都知道的原因，所以选since。
because 语气更强，as 和for 不合适。
初二英语状语从句原因类练习题30题含答案解析
初二英语状语从句原因类练习题30题含答案解析1.She was late for school because she missed the bus.A.becauseB.sinceC.asD.for答案：A。
because 表示直接原因，语气最强；since 和as 也表示原因，但语气较弱，通常是已知的事实；for 引导的不是原因状语从句，而是并列句，表示一种补充说明。
2.He didn't go to the party since he was not feeling well.A.becauseB.sinceC.asD.but答案：B。
since 在这里表示原因，因为身体不舒服所以没去参加聚会；because 语气更强，as 语气较弱；but 表示转折，不符合语境。
3.I like reading as it is a good way to relax.A.becauseB.sinceC.asD.so答案：C。
as 在这里表示原因，因为阅读是放松的好方式所以喜欢阅读；because 语气更强；since 也可表示原因但不如as 合适；so 表示结果，不符合语境。
4.She can't play basketball because she has a broken leg.A.becauseB.sinceC.asD.though答案：A。
because 表示直接原因，因为腿受伤所以不能打篮球；since 和as 语气较弱；though 表示转折，不符合语境。
5.He didn't finish his homework since he watched TV too much.A.becauseB.sinceC.asD.but答案：B。
since 表示原因，因为看电视太多所以没完成作业；because 语气更强；as 也可表示原因但不如since 合适；but 表示转折，不符合语境。
原因状语从句练习题
原因状语从句练习题原因状语从句是一种表达原因或理由的从句，在句子中充当状语，来说明某件事情发生的原因。
在英语中，原因状语从句通常由because、since、as、for等引导。
下面是一些原因状语从句的练习题，希望能够帮助你更好地理解和运用原因状语从句。
练习一：选择合适的原因状语从句填入句子中的空白处。
1. Tom couldn't attend the party ______ he had to work late.2. She missed the train ______ she overslept.3. They didn't go camping ______ the weather was bad.4. I stayed at home ______ I was feeling unwell.5. They canceled the meeting ______ there were not enough participants.练习二：根据提示完成下列句子，每个句子中需要使用一个原因状语从句。
1. They arrived late ______.（因为他们错过了公交车。
）2. She didn't come to the party ______.（因为她家里有急事。
）3. They took a taxi ______.（因为他们不想走路。
）4. He didn't pass the exam ______.（因为他没有认真复习。
）5. We had to change our plan ______.（因为天气突然变坏。
）练习三：根据上下文补全对话，使用原因状语从句回答问题。
A: Why didn't you go to the movies yesterday?B: ______.A: But you said you wanted to see that movie.B: ______.A: Oh, I see. Did you go shopping instead?B: ______.A: What happened?B: ______.A: That's unlucky. Hopefully, you can go next time.练习四：改写下面的句子，将原因状语从句改为原因状语从句的省略形式。
初二英语状语从句原因类练习题50题(答案解析)
初二英语状语从句原因类练习题50题(答案解析)1.She was late for school because she missed the bus.A.asB.sinceC.becauseD.for答案解析：C。
本题考查原因状语从句的引导词。
“because”表示直接的原因，“as”“since”也可表示原因，但语气较弱，“for”表示补充说明的原因，后面通常跟名词或名词短语。
在本题中，“she missed the bus”是“she was late for school”的直接原因，所以用“because”。
2.He can't go out to play because it is raining.A.asB.sinceC.becauseD.for答案解析：C。
“because”强调直接原因，“it is raining”是“he can't go out to play”的直接原因。
“as”和“since”语气较弱，“for”表示补充说明原因，通常跟名词短语。
3.She didn't go to the party because she was tired.A.asB.sinceC.because答案解析：C。
“because”表示直接原因，“she was tired”是“she didn't go to the party”的直接原因。
“as”“since”语气较弱，“for”表示补充说明原因，跟名词短语。
4.We stayed at home because of the bad weather.A.asB.sinceC.becauseD.for答案解析：C。
“because”引导原因状语从句，“because of”后面跟名词短语，本题中“the bad weather”是名词短语，不能用“as”“since”“for”引导。
5.He didn't finish his homework because he watched TV too much.A.asB.sinceC.becauseD.for答案解析：C。
高中英语原因状语从句练习题30题(带答案)
高中英语原因状语从句练习题30题(带答案)1.She was absent from school because she was ill.A.as she was illB.since she was illC.for she was illD.now that she was ill答案解析：ABCD 四个选项都可以引导原因状语从句，意思都是“因为她生病了”。
此句中“because”最为常用。
“as”语气较弱，“since”侧重已知的事实，“for”是并列连词，语气较弱，通常放在句末。
2.He didn't go to the party, for he had a lot of homework to do.A.because he had a lot of homework to doB.since he had a lot of homework to doC.as he had a lot of homework to doD.now that he had a lot of homework to do答案解析：ABCD 四个选项都可引导原因状语从句。
“for”在这里表示一种补充说明，语气较弱。
“because”语气最强，“since”和“as”也可表示原因，“now that”强调既然。
3.The ground is wet because it rained last night.A.as it rained last nightB.since it rained last nightC.for it rained last nightD.now that it rained last night答案解析：四个选项都能引导原因状语从句。
“because”直接表明原因，语气最强。
“as”表示较为明显的原因，“since”侧重已知的事实，“now that”强调既然。
4.She couldn't sleep, for she was worried about the exam.A.because she was worried about the examB.since she was worried about the examC.as she was worried about the examD.now that she was worried about the exam答案解析：四个选项均可引导原因状语从句。
原因状语从句专项训练
原因状语从句专项训练1.由于下雨，我们取消了户外野餐计划。
- We cancelled the outdoor picnic plan because it was raining.2.他晚到了，因为他在练习音乐。
- He was late because he was practicing music.3.因为她生病了，她没有参加聚会。
- She didn't attend the party because she was sick.4.由于机票太贵，他决定不去旅行。
- He decided not to travel because the airfare was too expensive.5.他没有通过考试，因为他没有好好复习。
- He didn't pass the exam because he didn't study well.6.他错过了火车，因为他起床太晚了。
- He missed the train because he woke up too late.7.我们没有去那个餐馆，因为它太贵了。
- We didn't go to that restaurant because it was too expensive.8.由于他犯了错误，他被开除了。
- He was fired because he made a mistake.9.她错过了演唱会，因为她忘记了买票。
- She missed the concert because she forgot to buy tickets.10.张先生没能出席会议，因为他生病了。
- Mr. Zhang couldn't attend the meeting because he was sick.。